HP18 postcode area guide — Buckinghamshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the HP18 postcode district in Buckinghamshire — every official dataset on one page.
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Where is HP18?
Broadband & internet speeds in HP18
Strong coverage
Superfast (30Mb+)
84.9%
Ultrafast (300Mb+)
67.7%
Gigabit-capable
66.9%
Below USO (10Mb)
1.5%
Broadband availability in the HP18 postcode district (Buckinghamshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 686 postcodes Ofcom measures in HP18, superfast broadband (30 Mbit/s or faster) reaches 84.9% of premises and gigabit-capable lines are available to 66.9%.
Around 1.5% of premises in HP18 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in HP18
| Postcode | Superfast | Gigabit |
|---|---|---|
| HP18 0AA | 100% | 100% |
| HP18 0AB | 100% | 100% |
| HP18 0AD | 100% | 100% |
| HP18 0AE | 0% | 0% |
| HP18 0AF | 0% | 0% |
| HP18 0AG | 100% | 100% |
| HP18 0AH | 100% | 100% |
| HP18 0AJ | 100% | 100% |
| HP18 0AL | 100% | 100% |
| HP18 0AN | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Buckinghamshire
Ofcom's coverage model for the wider Buckinghamshire district (250,700 premises):
4G indoors — all networks
85.9%
4G outdoors — all networks
99.1%
5G outdoors — all networks
51%
Voice indoors — all networks
88.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
House prices in HP18
Based on 206 sales registered with HM Land Registry in the last 12 months, the median sold price in HP18 is £400,000, up 2.6% on the previous year (£390,000).
Detached
£640,000
72 sales
Semi-detached
£390,000
69 sales
Terraced
£342,000
44 sales
Flat / maisonette
£195,000
19 sales
Latest recorded sales in HP18
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 15 May 2026 | £407,500 | Terraced | Temple Street | HP18 9SU |
| 15 May 2026 | £260,000 | Flat | Oxpen | HP18 0FN |
| 14 May 2026 | £195,000 | Flat | Barland Way | HP18 0UZ |
| 8 May 2026 | £275,000 | Semi-detached | High Street | HP18 0PH |
| 8 May 2026 | £215,000 | Flat | Whinham Green | HP18 0XJ |
| 8 May 2026 | £433,000 | Detached | Victor Close | HP18 1AE |
| 7 May 2026 | £560,000 | Semi-detached | Wainwrights | HP18 9DT |
| 1 May 2026 | £525,000 | Detached | Farleigh Drive | HP18 0NZ |
| 28 Apr 2026 | £267,000 | Flat | Farmingdale Close | HP18 1BD |
| 28 Apr 2026 | £318,000 | Semi-detached | Whinham Green | HP18 0XJ |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Buckinghamshire demographics
Census 2021 figures for the wider Buckinghamshire district (553,079 residents, 220,327 households):
| Age profile | |
|---|---|
| Under 15 | 19.8% |
| 15–29 | 20.6% |
| 30–44 | 20.4% |
| 45–64 | 20.4% |
| 65+ | 18.8% |
| Housing tenure | |
|---|---|
| Owner-occupied | 70% |
| Private rented | 15.8% |
| Social rented | 10.3% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around HP18
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| The Aylesbury Vale Academy | All-through | 3–19 | 1,857 | HP18 0WS |
| Waddesdon Church of England School | Secondary | 11–18 | 1,012 | HP18 0LQ |
| Green Ridge Primary Academy | Primary | 2–11 | 660 | HP18 0YA |
| Long Crendon School | Primary | 4–11 | 226 | HP18 9BZ |
| Ashfold School | Not applicable | 2–13 | 226 | HP18 9NG |
| Waddesdon Village Primary School | Primary | 4–11 | 217 | HP18 0LQ |
| Brill Church of England School | Primary | 4–11 | 199 | HP18 9RY |
| Grendon Underwood School | Primary | 2–11 | 188 | HP18 0SP |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in HP18
117 rated food businesses operate in HP18. 104 hold the top rating of 5, 7 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: 94 Coffee Shop, Addingrove Dairy, Akeman Inn, Ashfold School Trust Ltd, AVA Primary Wrap Around Care.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in HP18
From a sample of 117 Energy Performance Certificates across 10 HP18 postcodes, the most common rating is band E (average band D). 16% of sampled homes are rated C or better.
Band B
2%
Band C
15%
Band D
38%
Band E
39%
Band F
5%
Band G
2%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Buckinghamshire
Landlines around HP18 typically use:
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What's it like living in HP18?
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Moving to HP18? Sort your connectivity first
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Postcodes in HP18
Neighbouring districts
All Hemel Hempstead (HP) postcode districts ›
Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.