MK18 4LT postcode in Buckinghamshire, England

MK18 4LT is a postcode in Buckinghamshire, in the Grendon Underwood & The Claydons ward. It is in the Buckingham and Bletchley parliamentary constituency and the Thames Valley police force area, and has been in use since January 1980.

Where MK18 4LT is, and what is near it

Map of MK18 4LT and what is near it Map of MK18 4LT: its centre point, with the 192 other postcodes in the MK18 4 sector, 4 schools (4 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows), 1 GP practice (1 beyond the edge, shown by arrows) and 2 bus stops. North is up; the scale bar is 100 m. MK18 4JR: also in MK18 4MK18 4LG: also in MK18 4MK18 4LH: also in MK18 4MK18 4LJ: also in MK18 4MK18 4LL: also in MK18 4MK18 4LN: also in MK18 4MK18 4LP: also in MK18 4MK18 4LR: also in MK18 4MK18 4LS: also in MK18 4MK18 4LU: also in MK18 4MK18 4LX: also in MK18 4MK18 4LY: also in MK18 4MK18 4NA: also in MK18 4 3 schools, 3.0–5.4 kmSchool 3.4 kmGrendon Underwood & The Claydons MK18 4LT Map of MK18 4LT and what is near it Map of MK18 4LT: its centre point, with the 192 other postcodes in the MK18 4 sector, 4 schools (4 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows), 1 GP practice (1 beyond the edge, shown by arrows) and 2 bus stops. North is up; the scale bar is 200 m. 3 schools, 3.0–5.4 kmSchool 3.4 km2 railway stations, 9.9–10.7 kmGrendon Underwood & The Claydons MK18 4LT
  • MK18 4LT
  • Other postcodes in MK18 4: press one for its page
  • 4 schools
  • 2 railway stations
  • 1 GP practice
  • 2 bus stops
  • 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 51.9641, longitude -1.0445)

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; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after MK18 4LT?

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. The MP: UK Parliament, read 14 October 2026.

What broadband can you get at MK18 4LT?

20% of the homes and businesses at MK18 4LT cannot get decent broadband (10 Mbit/s) from a line or fixed wireless, Ofcom says.

Gigabit (1,000 Mbit/s)80% can get it

Buckinghamshire: 82%

Superfast (30 Mbit/s or more)80% can get it

Buckinghamshire: 98%

Cannot get decent broadband (10 Mbit/s)20%

The line marks the figure across Buckinghamshire.

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 MK18 4LT?

BinDayBuddy has not read Buckinghamshire Council's days for MK18 4LT today. It reads them from the council's own system when you ask.

Check the bin days for MK18 4LT 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 MK18 4LT 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 MK18 4LT.

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 Buckinghamshire

The Environment Agency publishes this for the whole council, not for MK18 4LT: 11,515 properties in Buckinghamshire are at high risk (3.9% of all its properties). All the figures for Buckinghamshire

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 MK18 4LT 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 MK18 4LT?

Homes in MK18 4 sold for a typical £360,000 in the 12 months to August 2026, across 31 sales, down 29.4% on the 12 months before, HM Land Registry's figures show.

£360,000 typical price, the 12 months to August 2026
£510,000 12 months to August 2025
▼ down 29.4% on the 12 months before
  • Detached £650,000 15 sales
  • Semi-detached £342,500 10 sales
  • Terraced £289,995 5 sales
  • Flat or maisonette 1 sale, too few to price

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

Across the whole MK18 district: a typical £370,000 from 377 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 MK18 4LT

HM Land Registry records no standard sales of homes in MK18 4LT 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 MK18 4LT?

The Valuation Office Agency counts about 1,000 homes in the neighbourhood around MK18 4LT. The largest share of them, 23%, are in council tax band C. More were built from 2000 to 2009 than in any other period (34%). 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 MK18 4LT

Band D in Buckinghamshire for 2026‑27: £2,527. For the bands the homes here are in, a year's council tax runs from £1,684 (band A) to £5,053 (band H); band C, the most common, is £2,246.

BandHomes around hereA year
Band Aabout 10 (1%)£1,684
Band Babout 100 (10%)£1,965
Band Cabout 230 (23%)£2,246
Band Dabout 200 (20%)£2,527
Band Eabout 190 (19%)£3,088
Band Fabout 190 (19%)£3,650
Band Gabout 70 (7%)£4,211
Band Habout 10 (1%)£5,053

When the homes were built

  1. 15% Before 1900
  2. 3% 1900 to 1918
  3. 8% 1919 to 1939
  4. 8% 1945 to 1964
  5. 7% 1965 to 1982
  6. 8% 1983 to 1999
  7. 34% 2000 to 2009
  8. 12% 2010 to 2019
  9. 3% 2020 or later

Averages for Buckinghamshire 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 MK18 4LT is in (ONS area E01017694), 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 MK18 4LT?

The nearest open schools to MK18 4LT, in a straight line. Distance is not a catchment.

Find and compare schools in England, on GOV.UK More schools near MK18 4LT, 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 MK18 4LT?

The nearest railway station to the centre of MK18 4LT is Bicester North Rail Station, 9.9 km away in a straight line.

  • Bicester North Rail Station Railway station 9.9 kmDrive
  • Bicester Village Rail Station Railway station 10.7 kmDrive

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

2 bus stops within 400 metres, the nearest The Square, 162 m away.

More stations near MK18 4LT, 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 MK18 4LT?

The nearest GP practices to the centre of MK18 4LT, 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 MK18 4LT?

0 within 1 km 1 within 3 km

The nearest charging points to the centre of MK18 4LT, as OpenStreetMap had them on 20 October 2026:

  • EV On The Move Charging point · 4 chargers · CCS · up to 250 kW 3.0 kmCycle

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 MK18 4LT?

The nearest to the centre of MK18 4LT, 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 MK18 4LT?

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 MK18 4LT?

The nearest care homes to the centre of MK18 4LT, 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 vets are near MK18 4LT?

The nearest vets to the centre of MK18 4LT 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 MK18 4LT in a conservation area?

The centre of MK18 4LT 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 MK18 4LT?

Police.uk records no crimes within a mile of the centre of MK18 4LT in the latest month it has published.

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 MK18 4LT

Ward
Grendon Underwood & The Claydons
Parish
Preston Bissett
Region
South East
Country
England
In use since
January 1980

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 MK18 4LT

Nearby postcodes

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

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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