KT21 postcode area guide — Mole Valley
House prices, crime, broadband speeds, mobile signal, schools and demographics for the KT21 postcode district in Mole Valley — every official dataset on one page.
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Where is KT21?
Broadband & internet speeds in KT21
Strong coverage
Superfast (30Mb+)
97.4%
Ultrafast (300Mb+)
69.4%
Gigabit-capable
69.4%
Below USO (10Mb)
0%
Broadband availability in the KT21 postcode district (Mole Valley) is Strong — superfast is near-universal and gigabit is rolling out. Across the 367 postcodes Ofcom measures in KT21, superfast broadband (30 Mbit/s or faster) reaches 97.4% of premises and gigabit-capable lines are available to 69.4%.
Around 0% of premises in KT21 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 KT21
| Postcode | Superfast | Gigabit |
|---|---|---|
| KT21 1AA | 100% | 50% |
| KT21 1AF | 100% | 0% |
| KT21 1AG | 0% | 0% |
| KT21 1AL | 100% | 50% |
| KT21 1AT | 100% | 100% |
| KT21 1AW | 100% | 60% |
| KT21 1AZ | 100% | 77.8% |
| KT21 1BD | 100% | 100% |
| KT21 1BE | 100% | 100% |
| KT21 1BH | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Mole Valley
Ofcom's coverage model for the wider Mole Valley district (40,961 premises):
4G indoors — all networks
89.3%
4G outdoors — all networks
98.8%
5G outdoors — all networks
17.1%
Voice indoors — all networks
90.9%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in KT21
Police recorded 55 incidents within about a mile of the centre of KT21 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 25 | 45.5% |
| Public order | 10 | 18.2% |
| Anti-social behaviour | 7 | 12.7% |
| Vehicle crime | 5 | 9.1% |
| Criminal damage & arson | 3 | 5.5% |
| Other theft | 3 | 5.5% |
| Drugs | 1 | 1.8% |
| Weapons possession | 1 | 1.8% |
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 KT21
Based on 119 sales registered with HM Land Registry in the last 12 months, the median sold price in KT21 is £700,000, essentially flat on the previous year (£703,500).
Detached
£933,000
50 sales
Semi-detached
£670,000
33 sales
Terraced
£635,000
11 sales
Flat / maisonette
£344,000
22 sales
Latest recorded sales in KT21
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 14 May 2026 | £772,500 | Detached | Stag Leys | KT21 2TD |
| 1 May 2026 | £599,000 | Semi-detached | Taylor Road | KT21 2HZ |
| 20 Apr 2026 | £716,500 | Detached | Ottways Lane | KT21 2PF |
| 31 Mar 2026 | £170,000 | Flat | Greville Park Road | KT21 2QN |
| 27 Mar 2026 | £303,750 | Flat | Albert Road | KT21 1BJ |
| 27 Mar 2026 | £231,000 | Flat | Albert Road | KT21 1BJ |
| 26 Mar 2026 | £680,000 | Terraced | Skinners Lane | KT21 2NR |
| 23 Mar 2026 | £560,000 | Detached | West Farm Close | KT21 2LH |
| 19 Mar 2026 | £395,000 | Flat | Moat Court | KT21 2BL |
| 18 Mar 2026 | £1,750,000 | Detached | Agates Lane | KT21 2NG |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Mole Valley demographics
Census 2021 figures for the wider Mole Valley district (87,386 residents, 37,139 households):
| Age profile | |
|---|---|
| Under 15 | 17.2% |
| 15–29 | 17.8% |
| 30–44 | 18.8% |
| 45–64 | 22.5% |
| 65+ | 23.8% |
| Housing tenure | |
|---|---|
| Owner-occupied | 73.2% |
| Private rented | 14.1% |
| Social rented | 10.1% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around KT21
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| City of London Freemen's School | Not applicable | 7–18 | 971 | KT21 1ET |
| The Greville Primary School | Primary | 4–11 | 650 | KT21 1SH |
| West Ashtead Primary Academy | Primary | 0–11 | 266 | KT21 2PX |
| Barnett Wood Infant School | Primary | 5–7 | 139 | KT21 2DF |
| St Giles' CofE (Aided) Infant School | Primary | 5–7 | 50 | KT21 1EA |
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 KT21
73 rated food businesses operate in KT21. 64 hold the top rating of 5, 3 are rated 4, and 1 are rated 2 or below.
Among the 5-rated: Alfresco Coffee Co, Ashstead Charcoal Grill, Ashtead Balti, Ashtead Bowling Club, Ashtead Cafe.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in KT21
From a sample of 173 Energy Performance Certificates across 10 KT21 postcodes, the most common rating is band D (average band D). 42% of sampled homes are rated C or better.
Band B
11%
Band C
31%
Band D
37%
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 Mole Valley
Landlines around KT21 typically use:
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What's it like living in KT21?
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Moving to KT21? Sort your connectivity first
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Postcodes in KT21
Neighbouring districts
All Kingston upon Thames (KT) 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.