MK18 3NF postcode in Buckinghamshire, England

MK18 3NF is a postcode in Buckinghamshire, in the Grendon Underwood & The Claydons ward. It is in the Mid Buckinghamshire parliamentary constituency and the Thames Valley police force area, and has been in use since January 1980.

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 0% of homes and businesses at MK18 3NF can get it Across Buckinghamshire: 82% Typical price £385,000 Homes sold in MK18 3, last 12 months. ▼ 6.9% on the year before Nearest station Aylesbury Vale Parkway 11.3 km in a straight line

Where MK18 3NF is, and what is near it

Map of MK18 3NF and what is near it Map of MK18 3NF: its centre point, with the 237 other postcodes in the MK18 3 sector, 3 schools (2 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 2 GP practices (2 beyond the edge, shown by arrows). North is up; the scale bar is 500 m. MK18 3AL: also in MK18 3MK18 3AN: also in MK18 3MK18 3AP: also in MK18 3MK18 3AQ: also in MK18 3MK18 3AR: also in MK18 3MK18 3AS: also in MK18 3MK18 3AT: also in MK18 3MK18 3AU: also in MK18 3MK18 3AW: also in MK18 3MK18 3AX: also in MK18 3MK18 3AY: also in MK18 3MK18 3AZ: also in MK18 3MK18 3BA: also in MK18 3MK18 3BP: also in MK18 3MK18 3BQ: also in MK18 3MK18 3BS: also in MK18 3MK18 3BT: also in MK18 3MK18 3BU: also in MK18 3MK18 3BX: also in MK18 3MK18 3BY: also in MK18 3MK18 3DA: also in MK18 3MK18 3ER: also in MK18 3MK18 3FA: also in MK18 3MK18 3FL: also in MK18 3MK18 3LR: also in MK18 3MK18 3ND: also in MK18 3MK18 3NG: also in MK18 3MK18 3NH: also in MK18 3MK18 3NJ: also in MK18 3MK18 3NL: also in MK18 3MK18 3NN: also in MK18 3MK18 3NP: also in MK18 3MK18 3NQ: also in MK18 3MK18 3NS: also in MK18 3MK18 3NU: also in MK18 3MK18 3NW: also in MK18 3MK18 3QJ: also in MK18 3MK18 3QP: also in MK18 3MK18 3QS: also in MK18 3MK18 3RD: also in MK18 3MK18 3RG: also in MK18 3MK18 3SA: also in MK18 3 School 2.8 kmWaddesdon Surgery 9.3 kmThe Swan Practice 9.7 kmBletchley station 14.1 kmWinslow MK18 3NF Map of MK18 3NF and what is near it Map of MK18 3NF: its centre point, with the 237 other postcodes in the MK18 3 sector, 3 schools (2 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 2 GP practices (2 beyond the edge, shown by arrows). North is up; the scale bar is 1 km. Waddesdon Surgery 9.3 kmBletchley station 14.1 kmWinslow MK18 3NF
  • MK18 3NF
  • Other postcodes in MK18 3: press one for its page
  • 3 schools
  • 2 railway stations
  • 2 GP practices
  • 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 51.9279, longitude -0.9110)

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 3NF?

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 3NF?

None of the homes and businesses at MK18 3NF can get superfast broadband (30 Mbit/s or more) from a line, Ofcom says.

Share of homes and businesses that can get it

Gigabit (1,000 Mbit/s)

MK18 3NF 0% Buckinghamshire 82%

Superfast (30 Mbit/s or more)

MK18 3NF 0% Buckinghamshire 98%
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 3NF?

Coming up soon.

Next collection, in 2 days

Monday 26 October

Food waste and general waste

  • Mon 2 Nov Mixed recycling
Every collection, on BinDayBuddy

Source: BinDayBuddy, built from councils' own collection systems and public data, read at 07:00 on 24 October 2026. BinDayBuddy is run by Towpath Digital, which also runs this site. How we use it

Is MK18 3NF 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 3NF.

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 3NF: 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 3NF 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 3NF?

Homes in MK18 3 sold for a typical £385,000 in the 12 months to August 2026, across 80 sales, down 6.9% on the 12 months before, HM Land Registry's figures show.

£385,000 typical price, the 12 months to August 2026
£413,648 12 months to August 2025
▼ down 6.9% on the 12 months before
  • Detached £530,000 27 sales
  • Semi-detached £372,500 18 sales
  • Terraced £295,000 31 sales
  • Flat or maisonette 4 sales, 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 3NF

HM Land Registry records no standard sales of homes in MK18 3NF 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 3NF?

The Valuation Office Agency counts about 830 homes in the neighbourhood around MK18 3NF. The largest share of them, 25%, are in council tax band F. More were built in 2020 or later than in any other period (24%). 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 3NF

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 £4,211 (band G); band F, the most common, is £3,650.

BandHomes around hereA year
Band Aabout 10 (1%)£1,684
Band Babout 50 (6%)£1,965
Band Cabout 150 (18%)£2,246
Band Dabout 120 (14%)£2,527
Band Eabout 170 (20%)£3,088
Band Fabout 210 (25%)£3,650
Band Gabout 120 (14%)£4,211
Band Hwithheld£5,053

When the homes were built

  1. 18% Before 1900
  2. 1% 1900 to 1918
  3. 1% 1919 to 1939
  4. 7% 1945 to 1964
  5. 14% 1965 to 1982
  6. 15% 1983 to 1999
  7. 7% 2000 to 2009
  8. 12% 2010 to 2019
  9. 24% 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 3NF is in (ONS area E01017714), 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 3NF?

The nearest open schools to MK18 3NF, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near MK18 3NF, 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 3NF?

The nearest railway station to the centre of MK18 3NF is Aylesbury Vale Parkway Rail Station, 11.3 km away in a straight line.

  • Aylesbury Vale Parkway Rail Station Railway station 11.3 kmDrive
  • Bletchley Rail Station Railway station 14.1 kmDrive

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

No bus stop within 400 metres in the Department for Transport's register.

More stations near MK18 3NF, 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 3NF?

The nearest GP practices to the centre of MK18 3NF, 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 3NF?

OpenStreetMap maps no public charging point within 3 km of the centre of MK18 3NF on the map as of 20 October 2026. It does not have every charger: Open Charge Map's own map, linked below, may show more.

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 3NF?

The nearest to the centre of MK18 3NF, 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 3NF?

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 3NF?

The nearest care homes to the centre of MK18 3NF, 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 MK18 3NF?

The nearest NHS pharmacies to the centre of MK18 3NF, 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 MK18 3NF?

The nearest vets to the centre of MK18 3NF 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 3NF in a conservation area?

The centre of MK18 3NF is not in any conservation area, listed building, tree preservation area, green belt or protected landscape that planning.data.gov.uk holds. Not every council has sent all its data, so check with the council before relying on it.

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 3NF?

Police.uk records no crimes within a mile of the centre of MK18 3NF 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 3NF

Ward
Grendon Underwood & The Claydons
Parish
East Claydon
Region
South East
Country
England
Rural or urban
Smaller rural, nearer to a major town or city
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 3NF

Go wider

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

MK18 3 sector MK18 district MK postcode area

Questions about a postcode

Nearby postcodes

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

MK18 2NE700 mMK18 3ND710 mMK18 2LF860 mMK18 2ND1.1 kmMK18 2NB1.2 kmMK18 2GL1.2 km
All of MK18

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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