UB9 postcode area guide — Buckinghamshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the UB9 postcode district in Buckinghamshire — every official dataset on one page.
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Where is UB9?
Broadband & internet speeds in UB9
Strong coverage
Superfast (30Mb+)
91.6%
Ultrafast (300Mb+)
63.6%
Gigabit-capable
61.6%
Below USO (10Mb)
0.1%
Broadband availability in the UB9 postcode district (Buckinghamshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 427 postcodes Ofcom measures in UB9, superfast broadband (30 Mbit/s or faster) reaches 91.6% of premises and gigabit-capable lines are available to 61.6%.
Around 0.1% of premises in UB9 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 UB9
| Postcode | Superfast | Gigabit |
|---|---|---|
| UB9 4AA | 100% | 100% |
| UB9 4AB | 100% | 100% |
| UB9 4AD | 0% | 0% |
| UB9 4AF | 100% | 86.7% |
| UB9 4AG | 100% | 100% |
| UB9 4AH | 100% | 100% |
| UB9 4AJ | 100% | 100% |
| UB9 4AL | 100% | 100% |
| UB9 4AN | 100% | 100% |
| UB9 4AP | 94.4% | 94.4% |
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.
Crime in UB9
Police recorded 28 incidents within about a mile of the centre of UB9 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Anti-social behaviour | 10 | 35.7% |
| Violence & sexual offences | 7 | 25.0% |
| Shoplifting | 3 | 10.7% |
| Burglary | 2 | 7.1% |
| Vehicle crime | 2 | 7.1% |
| Criminal damage & arson | 1 | 3.6% |
| Drugs | 1 | 3.6% |
| Other theft | 1 | 3.6% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in UB9
Based on 153 sales registered with HM Land Registry in the last 12 months, the median sold price in UB9 is £489,500, up 6.4% on the previous year (£460,000).
Detached
£700,000
18 sales
Semi-detached
£525,000
61 sales
Terraced
£455,500
38 sales
Flat / maisonette
£307,500
34 sales
Latest recorded sales in UB9
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 15 May 2026 | £835,000 | Detached | Bowyer Crescent | UB9 5JE |
| 13 May 2026 | £248,000 | Flat | Priory Close | UB9 5AU |
| 12 May 2026 | £345,000 | Flat | Stanley Kubrick Road | UB9 5FH |
| 8 May 2026 | £635,000 | Detached | Willow Avenue | UB9 4AG |
| 7 May 2026 | £645,000 | Semi-detached | Oxford Road | UB9 4DS |
| 30 Apr 2026 | £700,000 | Semi-detached | Woodhurst Drive | UB9 5LL |
| 27 Apr 2026 | £475,000 | Semi-detached | Ash Grove | UB9 6HA |
| 24 Apr 2026 | £465,000 | Semi-detached | Hall Drive | UB9 6LA |
| 17 Apr 2026 | £395,000 | Terraced | Skylark Road | UB9 4HR |
| 16 Apr 2026 | £255,000 | Flat | Lindsey Road | UB9 5BW |
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 UB9
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Harefield School | Secondary | 11–18 | 287 | UB9 6ET |
| Denham Green E-ACT Primary Academy | Primary | 4–11 | 226 | UB9 5JL |
| Harefield Infant and Junior School | Primary | 3–11 | 207 | UB9 6BJ |
| Denham Village School | Primary | 4–11 | 100 | UB9 5AE |
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 UB9
104 rated food businesses operate in UB9. 58 hold the top rating of 5, 17 are rated 4, and 7 are rated 2 or below.
Among the 5-rated: Arcadia At Church Gardens, Asda Express PFS Denham, Asda Express PFS Willowbank, Bertrams Cafe at Smiths Garden Centre, Bite Sandwich Bar.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in UB9
From a sample of 235 Energy Performance Certificates across 11 UB9 postcodes, the most common rating is band C (average band D). 54% of sampled homes are rated C or better.
Band B
3%
Band C
51%
Band D
34%
Band E
11%
Band F
2%
Band G
0%
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 UB9 typically use:
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What's it like living in UB9?
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Moving to UB9? Sort your connectivity first
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Postcodes in UB9
Neighbouring districts
All Uxbridge (UB) 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.