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Template:Attached KML/BS postcode area
KML is from Wikidata

The BS postcode area, also known as the Bristol postcode area,[2] is a group of 37 postcode districts in South West England, within eight post towns. These cover the city of Bristol, Somerset (including Weston-super-Mare, Axbridge, Banwell, Cheddar, Clevedon, Wedmore, Portishead and Winscombe) and Gloucestershire.

Key Information

Coverage

[edit]

The approximate coverage of the postcode districts:

Postcode district Post town Coverage Local authority area(s)
BS0 BRISTOL non-geographic[3][4]
BS1 BRISTOL Bristol city centre, Redcliffe Bristol
BS2 BRISTOL Kingsdown, St Paul's, St Phillips, St Agnes Bristol
BS3 BRISTOL Bedminster, Southville, Bower Ashton, part of Totterdown, Windmill Hill Bristol
BS4 BRISTOL Brislington, Knowle, Knowle West, St Anne's, part of Totterdown Bristol
BS5 BRISTOL Easton, St George, Redfield, Whitehall, Eastville, Speedwell, Greenbank, Barton Hill Bristol
BS6 BRISTOL Cotham, Redland, Montpelier, Westbury Park, St. Andrew's Bristol
BS7 BRISTOL Bishopston, Horfield, part of Filton, Lockleaze, Ashley Down Bristol, South Gloucestershire
BS8 BRISTOL Clifton, Failand, Hotwells, Leigh Woods Bristol, North Somerset
BS9 BRISTOL Coombe Dingle, Sneyd Park, Stoke Bishop, Westbury on Trym, Henleaze, Sea Mills Bristol
BS10 BRISTOL Brentry, Henbury, Southmead, part of Westbury on Trym Bristol
BS11 BRISTOL Avonmouth, Shirehampton, Lawrence Weston Bristol
BS13 BRISTOL Bedminster Down, Bishopsworth, Hartcliffe, Withywood, Headley Park Bristol
BS14 BRISTOL Hengrove, Stockwood, Whitchurch, Bristol, Bath and North East Somerset
BS15 BRISTOL Hanham, Kingswood Bristol, South Gloucestershire
BS16 BRISTOL Downend, Emersons Green, Fishponds, Frenchay, Pucklechurch, Mangotsfield, Staple Hill Bristol, South Gloucestershire
BS20 BRISTOL Pill, Portishead North Somerset
BS21 CLEVEDON Clevedon North Somerset
BS22 WESTON-SUPER-MARE Kewstoke, Weston-super-Mare, Worle North Somerset
BS23 WESTON-SUPER-MARE Uphill, Weston-super-Mare North Somerset
BS24 WESTON-SUPER-MARE Bleadon, Hutton, Locking, Lympsham, Puxton, Weston-super-Mare, Wick St. Lawrence North Somerset, Somerset
BS25 WINSCOMBE Churchill, Winscombe, Sandford, Shipham North Somerset, Somerset
BS26 AXBRIDGE Axbridge, Compton Bishop, Loxton Somerset, North Somerset
BS27 CHEDDAR Cheddar, Draycott Somerset
BS28 WEDMORE Wedmore Somerset
BS29 BANWELL Banwell North Somerset
BS30 BRISTOL Bitton, Longwell Green, Cadbury Heath, Oldland Common, Warmley, Wick South Gloucestershire
BS31 BRISTOL Keynsham, Saltford Bath and North East Somerset
BS32 BRISTOL Sector 4: Almondsbury, Aztec West
Sectors 8, 9 and 0: Bradley Stoke 		South Gloucestershire
BS34 BRISTOL Sector 5: Patchway, Charlton Hayes, Cribbs Causeway
Sector 6: Little Stoke
Sector 7: Filton (Except Northville)
Sector 8: Stoke Gifford 		South Gloucestershire
BS35 BRISTOL Sector 1: Oldbury on Severn, Thornbury North
Sector 2: Thornbury South
Sector 3: Alveston, Rudgeway
Sector 4: Aust, Olveston, Pilning, Severn Beach
Sector 5: Easter Compton 		South Gloucestershire
BS36 BRISTOL Sector 1: Winterbourne
Sector 2: Frampton Cotterell, Coalpit Heath 		South Gloucestershire
BS37 BRISTOL Sector 4: Yate Centre and South
Sector 5: Yate NW, Nibley
Sector 6: Chipping Sodbury
Sector 7: Ladden Garden Common, Rangeworthy
Sector 8: Westerleigh, Wapley, Far South of Yate 		South Gloucestershire
BS39 BRISTOL Paulton, Clutton, Temple Cloud, High Littleton, Pensford, Bishop Sutton Bath and North East Somerset
BS40 BRISTOL Chew Valley, Chew Magna, Chew Stoke, Blagdon, Wrington, Charterhouse Bath and North East Somerset, North Somerset, Somerset
BS41 BRISTOL Long Ashton, Dundry North Somerset
BS48 BRISTOL Backwell, Nailsea North Somerset
BS49 BRISTOL Congresbury, Yatton North Somerset
BS98 BRISTOL non-geographic
BS99 BRISTOL non-geographic

Historic codes

[edit]

Until about 1994[citation needed] different numbers applied to districts from BS12 upwards.

No longer existing are: BS12, BS17, BS18 and BS19; these were as follows:

BS12 covered: Almondsbury, Alveston, Aust, Awkley, Bradley Stoke, Earthcote Green, Easter Compton, Elberton, Filton, Ingst, Itchington, Littleton-on-Severn, Morton, Northwick, Oldbury Naite, Oldbury-on-Severn, Olveston, Over, Patchway, Pilning, Redwick, Rudgeway, Severn Beach, Shepperdine, Stoke Gifford, Thornbury, and Tockington

BS17 covered: Chipping Sodbury, Mangotsfield, Old Sodbury, Pucklechurch, Rangeworthy, Winterbourne, and Yate

BS18 covered: Compton Dando, High Littleton, Saltford, Long Ashton, West Harptree, Wrington, Paulton, Chew Magna, Blagdon, Temple Cloud, and Keynsham.

BS19 covered: Backwell, Churchill, Congresbury, Flax Bourton, Nailsea and Yatton.

The above codes are correct, but not complete. Other towns and villages may have shared these postcodes.

Map

[edit]
KML file (edit • help)
Template:Attached KML/BS postcode area
KML is from Wikidata
BS postcode area map, showing postcode districts, post towns and neighbouring postcode areas.BA postcode areaCF postcode areaGL postcode areaNP postcode areaSN postcode areaTA postcode area
BS postcode area map, showing postcode districts in red and post towns in grey text, with links to nearby BA, GL, NP, SN and TA postcode areas.
Detailed map of postcode districts in central Bristol

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

BS postcode area

View on Grokipedia
from Grokipedia
The BS postcode area, also known as the Bristol postcode area, is a group of 37 postcode districts in South West England, primarily covering the city of Bristol and extending to surrounding rural and coastal localities.[1] It encompasses the entirety of the Bristol unitary authority as well as significant portions of North Somerset, South Gloucestershire, and Bath and North East Somerset unitary authorities, with minor overlaps into Mendip district.[1] As of the 2021 Census, the BS postcode area has a population of 1,033,005 residents, making it one of the more populous postcode areas in the United Kingdom, spread across an area of approximately 1,145 square kilometres for a density of about 902 people per km².[2] [2] The region features a mix of urban, suburban, and rural landscapes, including the historic port city of Bristol with its vibrant economy in aerospace, media, and creative industries, alongside seaside resorts like Weston-super-Mare and Clevedon on the Severn Estuary coastline.[2] Key postcode districts include BS1 for central Bristol, BS20–BS21 for Portishead and Clevedon, BS22–BS24 for Weston-super-Mare, and BS34–BS37 for areas in South Gloucestershire such as Filton and Yate.[3] The BS area is well-connected by transport infrastructure, including Bristol Temple Meads and Bristol Parkway mainline railway stations, Bristol Airport (in BS48), and the M4 and M5 motorways, supporting its role as a major economic hub in the West of England Combined Authority.[2] The average household income in the area stands at £50,004, notably 42.9% above the UK median, reflecting a relatively affluent profile with strong employment in professional services and manufacturing.[2]

Introduction

Definition and Scope

The BS postcode area, also known as the Bristol postcode area, is a group of 37 postcode districts in South West England managed by Royal Mail to facilitate efficient mail sorting and delivery across the region.[4] This area forms part of the broader UK postcode system, which employs an alphanumeric format to designate geographic units for postal routing, with the outward code (such as "BS") identifying the larger area and aiding in automated processing at sorting offices.[5] The scope of the BS postcode area centers primarily on the city of Bristol while extending to adjacent parts of South Gloucestershire, North Somerset, and Bath and North East Somerset, encompassing urban, suburban, and rural localities within these local authorities.[1] Its central point is located at coordinates 51.445°N 2.632°W, reflecting its Bristol-centric orientation.[6] Unlike neighboring postcode areas such as BA, which focuses on Bath, or SN, centered on Swindon, the BS area is distinctly tailored to Bristol's metropolitan influence and surrounding commuter zones in the South West.[5]

Key Statistics

The BS postcode area encompasses 37 postcode districts and 166 postcode sectors, forming a structured network for mail delivery in South West England.[5][1] These are distributed across 8 post towns: Axbridge, Banwell, Bristol, Cheddar, Clevedon, Wedmore, Weston-super-Mare, and Winscombe. As of recent estimates, the area includes approximately 26,955 live postcodes serving residential and business addresses, alongside a total of around 45,317 postcodes when accounting for non-geographic and terminated units.[1][7]
StatisticValueNotes/Source
Postcode Districts37Covers delivery units within the area[5]
Post Towns8Axbridge, Banwell, Bristol, Cheddar, Clevedon, Wedmore, Weston-super-Mare, Winscombe
Postcode Sectors166Subdivisions of districts for finer granularity[1]
Live Postcodes (recent)26,955Active addresses for mail routing[1]
Total Postcodes (approx.)45,317Includes non-geographic and obsolete[7]
The postcode area serves a population of 1,033,005 residents as of the 2021 Census, highlighting its role in supporting a major urban center and surrounding suburbs.[2] Due to Bristol's status as a regional economic and transport hub, the BS area processes substantial mail traffic, encompassing both high-volume urban deliveries in the city and lower-density suburban routes in adjacent towns.[5]

Geographic Coverage

Post Towns and Districts

The BS postcode area encompasses multiple post towns, each assigned to specific postcode districts for the purpose of mail delivery and address formatting. The primary post town is Bristol, which covers the majority of the districts and serves central, eastern, northern, southern, and western areas of Bristol and surrounding regions. Other post towns handle more localized districts, primarily in North Somerset and nearby parts of Somerset. These assignments ensure that mail is routed efficiently through Royal Mail's sorting system, with the post town name appearing prominently in addresses immediately after the local part of the postcode.[8][9] The following table lists the 37 postcode districts within the BS area and their corresponding post towns, based on official Royal Mail assignments (excluding non-geographic districts BS0, BS98, and BS99):
Postcode DistrictPost Town
BS1Bristol
BS2Bristol
BS3Bristol
BS4Bristol
BS5Bristol
BS6Bristol
BS7Bristol
BS8Bristol
BS9Bristol
BS10Bristol
BS11Bristol
BS13Bristol
BS14Bristol
BS15Bristol
BS16Bristol
BS20Bristol
BS21Clevedon
BS22Weston-super-Mare
BS23Weston-super-Mare
BS24Weston-super-Mare
BS25Winscombe
BS26Axbridge
BS27Cheddar
BS28Wedmore
BS29Banwell
BS30Bristol
BS31Bristol
BS32Bristol
BS34Bristol
BS35Bristol
BS36Bristol
BS37Bristol
BS39Bristol
BS40Bristol
BS41Bristol
BS48Bristol
BS49Bristol
This structure totals 37 postcode districts, with Bristol as the dominant post town for 28 of them, including BS20 which covers Portishead despite the post town being Bristol. BS99 is a non-geographic district reserved for PO boxes in Bristol. Districts are grouped under post towns to reflect geographic and administrative sorting priorities, such as BS1 for central Bristol areas including the city center and harborside. For example, addresses in BS21 use "Clevedon" as the post town to direct mail to that coastal town, distinct from Bristol-handled districts nearby.[8][9][6]

Localities and Boundaries

The BS postcode area encompasses a diverse urban-rural landscape centered on the city of Bristol and its environs in South West England, blending densely populated urban cores with expansive suburban developments and rural hinterlands.[6] At its heart lies Bristol's city center and suburbs, extending northward to industrial and residential zones in Avonmouth, Filton, and Patchway; eastward to commuter towns like Keynsham and Mangotsfield; westward to coastal and hillside communities such as Portishead and Nailsea; and incorporating rural expanses in the Chew Valley.[6][1] This mix reflects the area's role as a major regional hub, with urban intensity giving way to agricultural and natural landscapes beyond the immediate metropolitan fringe.[10] The postcode area's boundaries delineate a roughly triangular territory, with its northern limit approaching Thornbury in South Gloucestershire (BS35), where it transitions into the adjacent GL postcode area around the River Severn's tributaries.[6] To the east, the edge lies near Bath, with handover points near Saltford and Keynsham (BS31) abutting the BA postcode area along the Avon Valley.[1] The southern boundary reaches the coast at Weston-super-Mare (BS23), incorporating coastal settlements before interfacing with the TA postcode area further along the Bristol Channel.[6] Westward, the area extends to the foothills of the Mendip Hills, encompassing villages like Axbridge and Wedmore (BS26-BS27) before yielding to BA and TA districts amid the hilly terrain.[10] Key localities within the BS area highlight this varied character. Urban centers include Bristol's historic docks and affluent Clifton (BS1-BS8), vital for trade and cultural activities.[6] Suburban neighborhoods such as Henbury (BS10) in the north and Brislington (BS4) in the south provide residential buffers with access to employment hubs.[6] Rural settlements like Blagdon (BS40) and Churchill (BS25) in the Mendip vicinity offer pastoral settings with farming and recreational appeal.[6] Boundary overlaps and anomalies occur primarily at the interfaces with neighboring postcode areas, such as the fluid transition near Pilning and Severn Beach (BS35) where BS meets GL along the Severn Estuary shoreline, or around Congresbury (BS49) where BS adjoins TA amid the Somerset Levels.[1] These handover points often follow natural features like rivers or roads rather than strict administrative lines, leading to occasional address ambiguities in peripheral zones.[10] Environmental features shape much of the area's periphery, including the expansive Severn Estuary to the north and west, which influences coastal localities like Avonmouth and Portishead through tidal dynamics and wildlife habitats.[10] The Mendip Hills Area of Outstanding Natural Beauty (AONB) defines the southwestern boundary, integrating limestone ridges and karst landscapes into rural districts such as those around Cheddar and Shipham (BS25-BS27).[10] Urban regeneration zones, particularly around Bristol's docks and harbors (BS1-BS2), incorporate waterfront revitalization efforts amid estuarine influences.[6]

History

Origins of the Postcode System

The origins of the United Kingdom's postcode system trace back to the post-World War II era, when the General Post Office (GPO) faced escalating mail volumes driven by economic recovery and population growth, necessitating a shift from manual to mechanized sorting processes. By the early 1960s, the GPO had initiated a major mechanization program to address these challenges, as traditional hand-sorting could no longer keep pace with the annual mail throughput, which had surged significantly since the war. The system was designed to enable automated handling through machines like the Single Position Letter Sorting Machine (SPLSM), known as ELSIE, which used postcodes to translate addresses into binary phosphor dots for rapid sorting.[11][12] The foundational pilot for the modern postcode system occurred in Norwich on 28 July 1959, marking the world's first experiment with postal address codes specifically engineered for machine-readable sorting. Under Postmaster General Ernest Marples, this trial introduced an early alphanumeric format, initially using three-letter codes like "NOR" followed by digits, to streamline delivery rounds and reduce processing times. Building on prior London postal districts established in 1857, the Norwich scheme tested the integration of codes with new sorting machinery, proving effective in accelerating mail circulation by allowing local offices to handle sorting independently of central hubs. This success validated the alphanumeric structure, which divides into an outward code—indicating the postal area and district for inter-town routing—and an inward code—specifying the sector and unit for intra-town precision, thereby optimizing the entire delivery chain.[12][13][11] Subsequent trials throughout the 1960s refined the system, leading to a nationwide rollout announced by Postmaster General Tony Benn in October 1965 and commencing in Croydon in 1966 as part of an eight-year program to assign codes to every address. The effort transitioned under the newly formed Post Office Corporation in 1969, which oversaw the completion of postcoding across Britain by 1974, culminating in the recoding of Norwich to align with the standardized format. This phased implementation ensured compatibility with expanding mechanized infrastructure, fundamentally transforming postal efficiency and laying the groundwork for subsequent technological advancements like optical character recognition in the 1980s.[11][12][13]

Development of BS Codes

The BS postcode area was designated in 1959 during the planning phase of the UK's alphanumeric postcode system, with the code assigned to Bristol as a major regional center to facilitate efficient mail sorting in a growing urban hub. This designation built on earlier numbered postal districts in Bristol, which had been established in the 1930s as part of the Post Office's expansion of district systems to provincial towns. The pilot implementation of the full postcode format began in Norwich that year, informing the national design that allocated two-letter area codes like BS to key locations.[12][14] In the early 1960s, the outward codes BS1 through BS9 were introduced for central Bristol, covering core districts such as the city center and immediate surrounding neighborhoods to support mechanized sorting at local post offices. By the mid-1960s, as the nationwide rollout gained momentum starting with Croydon in 1966, these codes were refined and expanded to include initial inward codes for more precise delivery. The 1970s saw further development with additional districts like BS10–BS16 added to accommodate suburban growth around Bristol, reflecting population increases and urban sprawl in the post-war era; this expansion was part of the broader completion of postcode coverage across the UK by 1974.[12][13] Following local government reorganization, the creation of Avon county in 1974 led to the incorporation of surrounding rural and semi-urban areas into the BS postcode area, drawing from parts of Gloucestershire and Somerset to align with the new administrative boundaries. This adjustment ensured consistent postal coverage for the expanded region, including towns like Weston-super-Mare and Clevedon, without major disruptions to existing central codes. Although Avon county was abolished in 1996, returning Bristol to unitary status and creating new districts like South Gloucestershire and North Somerset, the BS postcode boundaries were retained with minimal changes to maintain service efficiency.[15][16] In the late 20th century, modern updates involved minor boundary tweaks to the BS districts to address urban growth and development, particularly in response to housing and industrial expansions in the 1980s and 1990s; these changes were managed by Royal Mail to optimize delivery routes amid ongoing regional evolution. Such adjustments have continued sporadically to reflect demographic shifts, ensuring the system's adaptability while preserving the core structure established decades earlier.[12]

Abolished Districts

The abolished districts within the BS postcode area were discontinued during the 1990s as part of Royal Mail's rationalisation initiatives aimed at enhancing mail sorting efficiency and aligning postal boundaries with local authority changes after the dissolution of Avon County in 1996.[17] BS12 originally covered areas including Portishead, Pill, and Easton-in-Gordano before being abolished around 1994, with its postcodes reassigned to BS20.[18] BS17 encompassed parts of South Gloucestershire, such as Frampton Cotterell and Winterbourne, and was abolished in the 1990s, with its coverage merged into the BS30–BS37 districts.[19] BS18 served localities near Bath, including Chew Magna and Pensford, prior to its abolition in 1994, after which its areas were reassigned to other BS districts such as BS31 and BS39.[20] BS19 included Nailsea and Backwell and was abolished in the 1990s, with postcodes reassigned to BS48.[21] These reassignments streamlined operations by consolidating rural and peripheral areas into more manageable districts better suited to modern delivery networks.[17]

Visualization and Resources

Coverage Maps

Coverage maps provide essential visual aids for understanding the spatial extent and internal divisions of the BS postcode area, encompassing parts of Bristol and surrounding regions in South West England. Static maps, often derived from Ordnance Survey data, delineate postcode districts with clear boundaries, enabling users to grasp the area's geographic footprint at a glance. For instance, a prominent example is the labeled map of BS postcode districts, which outlines districts in red and labels post towns in grey, using an equirectangular projection based on WGS84 datum with defined geographic limits from 3.067°W to 2.235°W and 51.69°N to 51.17°N. This map incorporates postcode boundaries from OS Code-Point Open data, alongside coastline, inland water, and urban extent features from OS Strategi, offering a scaled regional context that highlights the area's concentration around Bristol. Commercial static maps, such as those produced by Map Logic, similarly utilize Ordnance Survey mapping and Royal Mail postcode information to present full-color representations of the BS area, including precise district boundaries printed at 300 dpi for detailed reference.[22] Interactive tools enhance this visualization by allowing dynamic exploration of the BS postcode districts. The Royal Mail Postcode Finder serves as a primary resource for locating specific addresses within the BS area, facilitating verification and lookup through partial address or postcode inputs, though it emphasizes that postcodes are indicative rather than pinpoint geographic tools.[23] For more graphical interaction, GIS viewers like the UK Postcode Map from Free Map Tools enable users to select the "BS" outcode, displaying sector-level boundaries (e.g., BS1, BS2) with markers and less opaque color-coded outlines for districts and sectors, built on Leaflet, OpenStreetMap, and Mapbox data.[24] These tools support zooming and full-screen modes, permitting detailed inspection of district distributions across the region. Key map features across both static and interactive formats include color-coding to differentiate districts, such as red boundaries for postcode areas in Ordnance Survey-derived visuals, and optional toggles for viewing area, district, or sector levels in interactive platforms.[24] While overlays for urban density are not universally standard, the inherent scale and boundary precision provide contextual overlays of urban versus rural extents within the BS area. Such maps prove invaluable for practical applications, including navigation by correlating postcodes with road networks, urban planning to assess district-level development, and address verification to ensure delivery accuracy in logistics and services.[23][22]

Data and References

The primary official sources for data on the BS postcode area include the Royal Mail's Postcode Address File (PAF), which serves as the authoritative database for all UK postal addresses and postcodes, managed by the Royal Mail Address Management Unit.[23] The Office for National Statistics (ONS) Postcode Directory (ONSPD) complements this by linking postcodes to administrative geographies, available for free download in CSV and TXT formats as a zip file, with updates issued quarterly and versions accessible from 2020 onward, such as the August 2025 release covering current and terminated postcodes.[25][26] Open data resources provide accessible geographic information for the BS postcode area, notably the Ordnance Survey's Code-Point Open dataset, which includes precise coordinates (to 1-meter resolution) and boundary data for approximately 1.7 million postcode units across Great Britain, updated quarterly and freely downloadable as of October 2025.[27] For research and practical applications, tools like Doogal.co.uk enable postcode lookups specific to the BS area, offering lists of districts, coordinates, and related details derived from official datasets.[6] Additionally, the ONS National Statistics Postcode Lookup (NSPL) facilitates linkages between BS postcodes and census demographics, relating them to 2021 Census Output Areas and other statistical geographies via best-fit allocation, with the August 2025 version available for download.[28] Researchers should note potential incompleteness in historic data for the BS postcode area, such as exact abolition dates for certain districts in the 1990s, which may require verification against primary archival records due to limitations in current directories' coverage of terminated codes.[29] Postcode datasets are refreshed quarterly to reflect changes from Royal Mail updates, ensuring relevance for live BS postcodes as of November 2025.[26] For map visualizations of this data, see the Coverage Maps section.
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