CB4 3BJ postcode in Cambridge, Cambridgeshire

CB4 3BJ is a postcode in Cambridge, in the Castle ward. It is in the Cambridge parliamentary constituency and the Cambridgeshire police force area, and has been in use since June 2011.

Flooding Not on the at-risk list The Environment Agency lists no home or business here in an area at risk from rivers or the sea Gigabit broadband 100% of homes and businesses can get it. Cambridge: 95% Typical price £487,500 Homes sold in CB4 3, last 12 months. ▲ 2% on the year before Nearest station Cambridge 3.0 km in a straight line

Where CB4 3BJ is, and what is near it

Map of CB4 3BJ and what is near it Map of CB4 3BJ: its centre point, with the 227 other postcodes in the CB4 3 sector, 4 schools (3 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows), 12 bus stops (3 beyond the edge, shown by arrows) and 4 EV charging points (2 beyond the edge, shown by arrows). North is up; the scale bar is 100 m. CB4 3AF: also in CB4 3CB4 3BF: also in CB4 3CB4 3BL: also in CB4 3CB4 3BU: also in CB4 3CB4 3BX: also in CB4 3CB4 3BY: also in CB4 3CB4 3BZ: also in CB4 3CB4 3DA: also in CB4 3CB4 3DD: also in CB4 3CB4 3DW: also in CB4 3CB4 3HD: also in CB4 3CB4 3JB: also in CB4 3CB4 3JU: also in CB4 3CB4 3JX: also in CB4 3CB4 3JY: also in CB4 3CB4 3JZ: also in CB4 3CB4 3LA: also in CB4 3CB4 3LD: also in CB4 3CB4 3LE: also in CB4 3CB4 3LF: also in CB4 3CB4 3LG: also in CB4 3CB4 3LH: also in CB4 3CB4 3LJ: also in CB4 3CB4 3LL: also in CB4 3CB4 3LN: also in CB4 3CB4 3LQ: also in CB4 3CB4 3LW: also in CB4 3CB4 3NL: also in CB4 3CB4 3NT: also in CB4 3CB4 3PX: also in CB4 3CB4 3QA: also in CB4 3CB4 3QE: also in CB4 3CB4 3QF: also in CB4 3CB4 3QG: also in CB4 3CB4 3QH: also in CB4 3CB4 3QJ: also in CB4 3CB4 3QN: also in CB4 3CB4 3QP: also in CB4 3CB4 3QQ: also in CB4 3CB4 3QR: also in CB4 3CB4 3QS: also in CB4 3CB4 3QT: also in CB4 3CB4 3QU: also in CB4 3CB4 3QW: also in CB4 3CB4 3QX: also in CB4 3CB4 3YH: also in CB4 3 Pod Point 650 mSchool 700 m2 places, 800 m–3.5 kmSchool 1.1 kmRed House Surgery 1.3 kmArbury CB4 3BJ Map of CB4 3BJ and what is near it Map of CB4 3BJ: its centre point, with the 227 other postcodes in the CB4 3 sector, 4 schools (3 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows), 12 bus stops (1 beyond the edge, shown by arrows) and 4 EV charging points (2 beyond the edge, shown by arrows). North is up; the scale bar is 200 m. School 700 m3 places, 800 m–3.5 kmArbury CB4 3BJ
  • CB4 3BJ
  • Other postcodes in CB4 3: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 12 bus stops
  • 4 EV charging points
  • Further out, with the distance

Points are centre points, not buildings, and nothing drawn is a boundary. Names in italics are council wards: we hold no town or village names here. Open this area on OpenStreetMap (latitude 52.2154, longitude 0.1097)

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; schools: Department for Education; stations and bus stops: Department for Transport; GP practices: NHS England; charging points: © OpenStreetMap contributors, Open Database Licence; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after CB4 3BJ?

ONS places a whole postcode in one council, one ward and one constituency, from a single point. A few postcodes cross a boundary, so an address at the edge can belong to the one next door. Your council tax bill or your poll card settles it for your address.

Council, police force area and constituency: ONS Postcode Directory, August 2026. What each council does: GOV.UK. The MP: UK Parliament, read 14 October 2026.

What broadband can you get at CB4 3BJ?

Every home and business at CB4 3BJ can get gigabit broadband from a line, Ofcom says.

Gigabit (1,000 Mbit/s)100% can get it

Cambridge: 95%

Superfast (30 Mbit/s or more)100% can get it

Cambridge: 99%

The line marks the figure across Cambridge.

Check one address, and mobile coverage, on Ofcom's checker Compare broadband at another postcode

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

When are the bins collected at CB4 3BJ?

BinDayBuddy has not read Cambridge City Council's days for CB4 3BJ today. It reads them from the council's own system when you ask.

Check the bin days for CB4 3BJ on BinDayBuddy

Source: BinDayBuddy, built from councils' own collection systems and public data. BinDayBuddy is run by Towpath Digital, which also runs this site. How we use it

Is CB4 3BJ at risk of flooding?

From rivers and the sea, long term

The Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea does not include CB4 3BJ.

Rivers and the sea only, for the land around buildings, not each building. GOV.UK's checker answers for one address, surface water included.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0.

From surface water, across Cambridge

The Environment Agency publishes this for the whole council, not for CB4 3BJ: 5,669 properties in Cambridge are at high risk (7.9% of all its properties). All the figures for Cambridge

Source: Environment Agency, Risk of Flooding from Surface Water, properties at risk by local authority, version 2025-09, listed 18 September 2026, Open Government Licence v3.0.

Flood warnings

The centre of CB4 3BJ is not in any of the Environment Agency's flood warning or alert areas. Part of the postcode may still be, so check your own address when you sign up.

Sign up for flood warnings, free, on GOV.UK Check flood risk at another postcode

Source: Environment Agency, flood warning areas read 17 October 2026. Open Government Licence v3.0. How we use these

What do homes sell for near CB4 3BJ?

Homes in CB4 3 sold for a typical £487,500 in the 12 months to August 2026, across 77 sales, up 2% on the 12 months before, HM Land Registry's figures show.

£487,500 typical price, the 12 months to August 2026
£478,100 12 months to August 2025
▲ up 2% on the 12 months before
  • Detached £805,000 6 sales
  • Semi-detached £500,000 24 sales
  • Terraced £545,000 29 sales
  • Flat or maisonette £250,250 18 sales

Each bar is that kind's typical price, against the most expensive kind here.

Across the whole CB4 district: a typical £425,000 from 291 sales.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Homes sold in CB4 3BJ

HM Land Registry records no standard sales of homes in CB4 3BJ from January 2024 to August 2026. The prices above are for the homes around it.

Sales at market value to a private buyer; the latest months are not complete. Own or live in a home listed here and would rather it were not? Ask us to take it off.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

What council tax band are homes near CB4 3BJ?

The Valuation Office Agency counts about 1,630 homes in the neighbourhood around CB4 3BJ. The largest share of them, 33%, are in council tax band A. More were built from 1983 to 1999 than in any other period (44%). A home's own band is set for that home: check it on GOV.UK.

Council tax bands, and a year's council tax

Council tax bands of the homes around CB4 3BJ

Band D in Cambridge for 2026‑27: £2,467. For the bands the homes here are in, a year's council tax runs from £1,645 (band A) to £4,934 (band H); band A, the most common, is £1,645.

BandHomes around hereA year
Band Aabout 530 (33%)£1,645
Band Babout 150 (9%)£1,919
Band Cabout 260 (16%)£2,193
Band Dabout 270 (17%)£2,467
Band Eabout 220 (13%)£3,015
Band Fabout 100 (6%)£3,563
Band Gabout 50 (3%)£4,112
Band Habout 50 (3%)£4,934

When the homes were built

  1. 25% Before 1900
  2. 3% 1900 to 1918
  3. 5% 1919 to 1939
  4. 3% 1945 to 1964
  5. 6% 1965 to 1982
  6. 44% 1983 to 1999
  7. 5% 2000 to 2009
  8. 8% 2010 to 2019
  9. 1% 2020 or later

Averages for Cambridge before discounts, not any one home's bill.

Council tax: Ministry of Housing, Communities and Local Government, Council Tax levels set by local authorities in England 2026 to 2027, Table 10, published 25 March 2026, Open Government Licence v3.0. How we use it

Counts for the neighbourhood the centre of CB4 3BJ is in (ONS area E01035514), rounded by the VOA.

Check one home's band on GOV.UK

Source: Valuation Office Agency, Council Tax: stock of properties, at 31 March 2026, Open Government Licence v3.0. How we use it

Which schools are near CB4 3BJ?

The nearest open schools to CB4 3BJ, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CB4 3BJ, and how we find them

Source: Department for Education, Get Information about Schools, read 17 October 2026, Open Government Licence v3.0. Each school opens its own record there. How we use it

Where is the nearest station to CB4 3BJ?

The nearest railway station to the centre of CB4 3BJ is Cambridge Rail Station, 3.0 km away in a straight line.

  • Cambridge Rail Station Railway station 3.0 kmCycle
  • Cambridge North Rail Station Railway station 3.5 kmCycle

Straight-line distances from the centre point, not routes. Walk: under 1.2 km. Cycle: 1.2 to 5 km. Drive: further.

12 bus stops within 400 metres, the nearest Histon Road Corner, 92 m away.

More stations near CB4 3BJ, and how we find them

Source: Department for Transport, NaPTAN, read 17 October 2026, Open Government Licence v3.0. How we use it

Which GP surgeries are near CB4 3BJ?

The nearest GP practices to the centre of CB4 3BJ, in a straight line. Each sets the area it takes patients from. In England, each opens its page at the Care Quality Commission, which inspects and rates it.

Find a GP on the NHS website

Source: NHS England, Organisation Data Service (GP practices), read 17 October 2026; ratings: Care Quality Commission, 1 October 2026, Open Government Licence v3.0. How we use it

Where can I charge an electric car near CB4 3BJ?

4 within 1 km 62 within 3 km

The nearest charging points to the centre of CB4 3BJ, as OpenStreetMap had them on 20 October 2026:

  • E B CHARGING Charging point · 1 charger · Type 2, CCS, CHAdeMO · up to 50 kW 200 mWalk
  • E B CHARGING Charging point · 1 charger · Type 2, CCS, CHAdeMO · up to 50 kW 200 mWalk
  • Pod Point Charging point · 2 chargers · Type 2 · up to 7 kW 650 mWalk

OpenStreetMap is mapped by volunteers. It does not have every charger, and not every one it has gives its speed or plugs. Check a charger's own app before you set off.

See more chargers on Open Charge Map

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Which dentists are near CB4 3BJ?

The nearest to the centre of CB4 3BJ, in a straight line. Those in England open their page at the Care Quality Commission, which inspects them. It gives few dentists a rating.

Source: Care Quality Commission (directory of 14 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which hospitals are nearest to CB4 3BJ?

The nearest NHS and private hospitals and clinics in England, in a straight line, with the Care Quality Commission's latest overall rating. One in Wales or Scotland may be nearer.

Not every hospital has an accident and emergency department. In an emergency, call 999.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which care homes are near CB4 3BJ?

The nearest care homes to the centre of CB4 3BJ, in a straight line, with the Care Quality Commission's latest overall rating.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which pharmacies are near CB4 3BJ?

The nearest NHS pharmacies to the centre of CB4 3BJ, in a straight line. Those in England show the opening hours they gave the NHS (list published July 2026) and open their page on the NHS website. A few work online or by post only: check before you go.

Hours can change on bank holidays. For urgent help when a pharmacy is closed, call NHS 111.

Source: NHS Business Services Authority (phone numbers: NHS Organisation Data Service), Open Government Licence v3.0. How we use it

Which vets are near CB4 3BJ?

The nearest vets to the centre of CB4 3BJ on OpenStreetMap, in a straight line. Each opens its entry on the map, with its opening hours and website where they are mapped.

OpenStreetMap may not have every vet. Out of hours, ring your own vet’s number first: the Royal College of Veterinary Surgeons says vets in practice must arrange round-the-clock emergency first aid and pain relief, themselves or through another service.

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Is CB4 3BJ in a conservation area?

The centre of CB4 3BJ is in one area with planning rules of its own, as planning.data.gov.uk holds them:

Work on a home here, and on its trees, may need permission that it would not need elsewhere. The council's planning team has the rules for one address. Not every council has sent all its data.

Source: planning.data.gov.uk, asked at the postcode's centre point. Open Government Licence v3.0. How we use it

How much crime is there near CB4 3BJ?

Police.uk records 535 crimes and reports of anti-social behaviour within a mile of the centre of CB4 3BJ in August 2026, the latest month it has published.

Violence and sexual offences144 reports
Anti-social behaviour99 reports
Shoplifting96 reports
Bicycle theft33 reports
Other theft30 reports
Public order29 reports

Also: criminal damage and arson 27, theft from the person 18, vehicle crime 16, burglary 12, drugs 9, robbery 8, possession of weapons 7, other crime 7.

Police.uk places each report at a nearby point, so this is an area, not a street.

Your local policing team on Police.uk How we work this out: crime by postcode, with the last 12 months

Source: data.police.uk, from its download of 30 September 2026, Open Government Licence v3.0. How we use it

The official record for CB4 3BJ

Ward
Castle
Parish
Not in a parish
Region
East of England
Country
England
Built-up area
Cambridge
Rural or urban
Urban, nearer to a major town or city
In use since
June 2011

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Where to check what we do not hold

Around CB4 3BJ

Go wider

Every postcode in the same sector, district or postcode area.

CB4 3 sector CB4 district CB postcode area Cambridge postcodes

Questions about a postcode

Nearby postcodes

The nearest postcodes in use, measured in a straight line between centre points.

CB4 3QP30 mCB4 3QW40 mCB4 3QJ50 mCB4 3QR60 mCB4 3JB70 mCB4 3QX70 m
All of CB4

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode. How we use it

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