CB11 postcode area guide — Uttlesford
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CB11 postcode district in Uttlesford — every official dataset on one page.
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Where is CB11?
Broadband & internet speeds in CB11
Strong coverage
Superfast (30Mb+)
92.9%
Ultrafast (300Mb+)
67.3%
Gigabit-capable
67.3%
Below USO (10Mb)
0.5%
Broadband availability in the CB11 postcode district (Uttlesford) is Strong — superfast is near-universal and gigabit is rolling out. Across the 515 postcodes Ofcom measures in CB11, superfast broadband (30 Mbit/s or faster) reaches 92.9% of premises and gigabit-capable lines are available to 67.3%.
Around 0.5% of premises in CB11 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 CB11
| Postcode | Superfast | Gigabit |
|---|---|---|
| CB11 3AA | 100% | 68.3% |
| CB11 3AB | 100% | 0% |
| CB11 3AD | 100% | 97% |
| CB11 3AE | 100% | 100% |
| CB11 3AF | 100% | 10% |
| CB11 3AG | 100% | 90.9% |
| CB11 3AH | 100% | 0% |
| CB11 3AJ | 100% | 0% |
| CB11 3AN | 100% | 16.7% |
| CB11 3AP | 100% | 0% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Uttlesford
Ofcom's coverage model for the wider Uttlesford district (42,181 premises):
4G indoors — all networks
73.1%
4G outdoors — all networks
97.7%
5G outdoors — all networks
25.9%
Voice indoors — all networks
76.4%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CB11
Police recorded 2 incidents within about a mile of the centre of CB11 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Vehicle crime | 1 | 50.0% |
| Violence & sexual offences | 1 | 50.0% |
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 CB11
Based on 210 sales registered with HM Land Registry in the last 12 months, the median sold price in CB11 is £450,000, down 6.6% on the previous year (£482,000).
Detached
£661,500
74 sales
Semi-detached
£460,000
52 sales
Terraced
£361,250
49 sales
Flat / maisonette
£230,000
26 sales
Latest recorded sales in CB11
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 21 May 2026 | £325,650 | Terraced | Belmont Hill | CB11 3RF |
| 13 May 2026 | £595,000 | Terraced | South Green | CB11 3SE |
| 12 May 2026 | £475,000 | Detached | High Street | CB11 3PG |
| 11 May 2026 | £205,000 | Flat | Station Street | CB11 3HF |
| 8 May 2026 | £465,000 | Semi-detached | Hill Top Lane | CB11 4AS |
| 8 May 2026 | £342,500 | Semi-detached | Cromwell Road | CB11 4AX |
| 7 May 2026 | £465,000 | Semi-detached | Linton Close | CB11 3BU |
| 6 May 2026 | £230,000 | Flat | Little Larchmount | CB11 4EF |
| 1 May 2026 | £385,000 | Detached | Station Road | CB11 3PL |
| 30 Apr 2026 | £437,000 | Detached | Peal Road | CB11 3ET |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Uttlesford demographics
Census 2021 figures for the wider Uttlesford district (91,341 residents, 36,955 households):
| Age profile | |
|---|---|
| Under 15 | 19.5% |
| 15–29 | 19% |
| 30–44 | 19.8% |
| 45–64 | 21.6% |
| 65+ | 20.2% |
| Housing tenure | |
|---|---|
| Owner-occupied | 70.6% |
| Private rented | 14.6% |
| Social rented | 5.8% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CB11
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Saffron Walden County High School | Secondary | 11–18 | 2,157 | CB11 4UH |
| Joyce Frankland Academy, Newport | Secondary | 11–18 | 865 | CB11 3TR |
| R A Butler Junior School | Primary | 7–11 | 384 | CB11 3DG |
| R A Butler Infant School | Primary | 5–7 | 271 | CB11 3DG |
| Katherine Semar Junior School | Primary | 7–11 | 256 | CB11 4DU |
| St Thomas More Catholic Primary School, Saffron Walden | Primary | 4–11 | 206 | CB11 3DW |
| Katherine Semar Infant School | Primary | 4–7 | 180 | CB11 4DU |
| Clavering Primary School | Primary | 5–11 | 179 | CB11 4PE |
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 CB11
96 rated food businesses operate in CB11. 67 hold the top rating of 5, 10 are rated 4, and 3 are rated 2 or below.
Among the 5-rated: Amfora UK LTD, Audley End Estate, Audley End Estate Shoot, Audley End Gift Shop, Audley End House \& Restaurant.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CB11
From a sample of 133 Energy Performance Certificates across 12 CB11 postcodes, the most common rating is band C (average band D). 49% of sampled homes are rated C or better.
Band B
10%
Band C
39%
Band D
30%
Band E
17%
Band F
3%
Band G
1%
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 Uttlesford
Landlines around CB11 typically use:
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What's it like living in CB11?
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Moving to CB11? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Uttlesford — free, no-obligation quote.
Postcodes in CB11
Neighbouring districts
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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.