KT23 postcode area guide — Guildford
House prices, crime, broadband speeds, mobile signal, schools and demographics for the KT23 postcode district in Guildford — every official dataset on one page.
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Where is KT23?
Broadband & internet speeds in KT23
Strong coverage
Superfast (30Mb+)
96.5%
Ultrafast (300Mb+)
52.6%
Gigabit-capable
48.9%
Below USO (10Mb)
0%
Broadband availability in the KT23 postcode district (Guildford) is Strong — superfast is near-universal and gigabit is rolling out. Across the 370 postcodes Ofcom measures in KT23, superfast broadband (30 Mbit/s or faster) reaches 96.5% of premises and gigabit-capable lines are available to 48.9%.
Around 0% of premises in KT23 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 KT23
| Postcode | Superfast | Gigabit |
|---|---|---|
| KT23 3AA | 100% | 94.4% |
| KT23 3AB | 100% | 0% |
| KT23 3AD | 100% | 50% |
| KT23 3AE | 100% | 0% |
| KT23 3AF | 100% | 88% |
| KT23 3AG | 100% | 0% |
| KT23 3AH | 100% | 9.5% |
| KT23 3AL | 100% | 100% |
| KT23 3AN | 100% | 50% |
| KT23 3AP | 100% | 88.9% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Guildford
Ofcom's coverage model for the wider Guildford district (61,835 premises):
4G indoors — all networks
92.2%
4G outdoors — all networks
99.3%
5G outdoors — all networks
75.2%
Voice indoors — all networks
93.6%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in KT23
Police recorded 45 incidents within about a mile of the centre of KT23 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 14 | 31.1% |
| Anti-social behaviour | 13 | 28.9% |
| Vehicle crime | 4 | 8.9% |
| Burglary | 3 | 6.7% |
| Other theft | 3 | 6.7% |
| Public order | 3 | 6.7% |
| Shoplifting | 3 | 6.7% |
| Criminal damage & arson | 2 | 4.4% |
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 KT23
Based on 91 sales registered with HM Land Registry in the last 12 months, the median sold price in KT23 is £717,500, up 5.5% on the previous year (£680,000).
Detached
£850,000
50 sales
Semi-detached
£540,000
22 sales
Terraced
£420,000
8 sales
Flat / maisonette
£285,000
7 sales
Latest recorded sales in KT23
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 1 May 2026 | £500,000 | Semi-detached | Middlemead Road | KT23 3DD |
| 29 Apr 2026 | £283,000 | Flat | Proctor Gardens | KT23 4BY |
| 10 Apr 2026 | £785,000 | Detached | Murrells Walk | KT23 3LP |
| 10 Apr 2026 | £285,000 | Flat | Elmswood | KT23 3JH |
| 2 Apr 2026 | £602,425 | Detached | Pine Dean | KT23 4BT |
| 2 Apr 2026 | £876,000 | Detached | Eastwick Park Avenue | KT23 3NP |
| 27 Mar 2026 | £806,000 | Detached | Camilla Close | KT23 4BU |
| 24 Mar 2026 | £845,000 | Detached | Howard Road | KT23 4PW |
| 20 Mar 2026 | £463,000 | Terraced | Middlemead Road | KT23 3DB |
| 19 Mar 2026 | £422,500 | Terraced | Bookham Grove | KT23 4NS |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Guildford demographics
Census 2021 figures for the wider Guildford district (143,650 residents, 55,760 households):
| Age profile | |
|---|---|
| Under 15 | 16.9% |
| 15–29 | 27.6% |
| 30–44 | 19.1% |
| 45–64 | 18.9% |
| 65+ | 17.5% |
| Housing tenure | |
|---|---|
| Owner-occupied | 66.3% |
| Private rented | 19.7% |
| Social rented | 4% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around KT23
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Great Bookham School | Primary | 2–11 | 335 | KT23 4JJ |
| Eastwick Junior School | Primary | 7–11 | 284 | KT23 3PP |
| Manor House School | Not applicable | 2–16 | 241 | KT23 4EN |
| Eastwick Infant School | Primary | 4–7 | 180 | KT23 3PP |
| Polesden Lacey Infant Academy | Primary | 2–7 | 94 | KT23 4PT |
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 KT23
49 rated food businesses operate in KT23. 39 hold the top rating of 5, 5 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Ada's Deli, Bookham Baptist Church, Bookham Bowling Club, Bookham Charcoal Grill, Bookham Mini Mart.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in KT23
From a sample of 171 Energy Performance Certificates across 9 KT23 postcodes, the most common rating is band D (average band D). 41% of sampled homes are rated C or better.
Band B
9%
Band C
32%
Band D
42%
Band E
12%
Band F
4%
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 Guildford
Landlines around KT23 typically use:
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What's it like living in KT23?
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Moving to KT23? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Guildford — free, no-obligation quote.
Postcodes in KT23
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.