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KT23 postcode area · Mole Valley

The KT23 postcode district spans 4 neighbourhoods (MSOAs) in Guildford, Mole Valley. Area Scores range from 49 to 97 across them. Every full KT23 postcode falls within one of the neighbourhoods below.

In summary

The KT23 district contains both ends of the scale: Horsley & Effingham at 98 out of 100 (#149 of 6,856 in England) against Leatherhead North at 49, a 48-point gap between neighbouring areas. 3 of the 4 rank in the least-deprived third of England; none falls in the most-deprived third. House prices stretch as far as the scores do: medians run from £317,500 in Leatherhead North to £875,000 in Horsley & Effingham — a 2.8× gap within the KT23 district. Note that the district straddles 2 local authorities — Guildford and Mole Valley — so its neighbourhoods answer to different councils.

Living here

Typical net household income£51,417a year, weighted avg of neighbourhood estimates
Recorded crime62per 1,000 residents, 12m
Median age (est.)46
Owner-occupied74%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the KT23 district

£695,000median home sold over the past year · +9.0% over 5 years · +6.1% over the year · 137 sales
Detached£828,000
Semi-detached£600,000
Terraced£390,000
Flat£266,500
Mole Valley£566,500
South East£385,000
England£300,000
Annual median price, all homes. Small samples can be volatile.
Area Score:more deprivedless deprivedTap a neighbourhood to open it →
NeighbourhoodNat. rankArea scoreMedian price
Horsley & EffinghamGuildford 14998 £875,000
Bookham SouthMole Valley 73289 £750,000
Bookham NorthMole Valley 76689 £730,000
Leatherhead NorthMole Valley 3,47449 £317,500

People living in KT23 Census 2021

Residents29,282
Median age (est.)46
Density617per km²
No qualifications12%
Degree or above45%
No car or van12%

Age

0–14 17%15–24 10%25–44 21%45–64 29%65+ 23%

Tenure

Own outright: 40%Mortgage/shared: 33%Social rent: 13%Private rent: 14%
Own outright 40%Mortgage/shared 33%Social rent 13%Private rent 14%

Households

One person: 29%Couple, no children: 16%Couple with children: 28%Lone parent: 8%Other: 18%
One person 29%Couple, no children 16%Couple with children 28%Lone parent 8%Other 18%

Work (top occupations)

Professional 24% · Managers & directors 21% · Associate professional 15%

All occupation groups
Professional24%
Managers & directors21%
Associate professional15%
Administrative9%
Skilled trades9%
Caring & leisure8%
Elementary6%
Sales & customer service5%
Process & plant3%

Ethnic group

White: 92%Asian: 3%Black: 1%Mixed: 3%Other: 1%
White 92%Asian 3%Black 1%Mixed 3%Other 1%

Religion & identity

Christian 53% · No religion 38% · Muslim 1%

Born outside the UK: 14%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Towns & places in KT23

Places whose neighbourhoods overlap the KT23 district.

Bookham Leatherhead

Nearby areas

Postcode districts around KT23.

KT22 KT11 KT21 KT24 GU23 RH4 KT10 KT18

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.