23 King George Avenue, Walton On Thames, KT12 3LP
About 23 King George Avenue
23 King George Avenue is a four-bedroom semi-detached house in Walton On Thames (KT12 3LP). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (November 2015) shows a C (score 71). The recommended improvements would push it to B (score 84). The latest certificate is from November 2015, so improvements made since then won't be reflected. Other recorded features include a balcony. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
At 134 m² the property is well over the postcode median (95 m² across 21 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Last sale on file: £665,000 in March 2020. Across the public record there are 4 sales, relatively high churn for a single property. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Across 1997–2020, sale prices on this property compounded at 7% per year. Today's modelled estimate of £759,000 is 14.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£461/sq ft) was about 71.9% above the typical sold price in the postcode.
Know exactly what you're buying at 23 King George Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
- BalconyYes
- Cul-de-sacYes
Building
- Previously extendedYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Nov 2025
EPC Rating
Planning history
- Sept 2023Garage ConversionFullIn report
Extension: Single storey
Single-storey front extension incorporating integral garage, conversion of garage into living space, raise existing garage roof, rooflights and alterations to fenestration and finish.
Extension- Documents
- 14 docs on file
- Reference
- 2023/1957
- May 2021Garage ConversionFullIn report
Extension: Part single, part two storey · Side and rear of property
Part two/part single-storey side/front/rear extension incorporating integral garage, conversion of existing garage into living space and alterations to fenestration.
Extension- Documents
- 19 docs on file
- Reference
- 2021/0618
We flagged 2 things worth checking at 23 King George Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
- Environmental risk flagged
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Sales history & valuation
23 King George Avenue has more than quadrupled in price since its earliest registered sale in 1997.
£759,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 22 years.
£665,000
Growth on file: 7.0% per year over 22 years.
Sales timeline
20 March 2020Most recent
£665,000
-2.9%over 3 years11 April 2016
£685,000
+156.1%over 11 years21 April 2004
£267,500
+84.5%over 6 years3 November 1997
£145,000
Median price across the last 5 sales in KT12 3LP: £600,000 (2025–2017).
Nearby sales in KT12 3LP
6 King George Avenue, Walton On Thames, KT12 3LP
Sold Feb 2025
£600,0008 King George Avenue, Walton On Thames, KT12 3LP
Sold May 2022
£675,0003 King George Avenue, Walton On Thames, KT12 3LP
Sold Dec 2020
£635,00020 King George Avenue, Walton On Thames, KT12 3LP
Sold Mar 2018
£540,0005 King George Avenue, Walton On Thames, KT12 3LP
Sold Dec 2017
£570,000
Everything we know about 23 King George Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
- Environmental risk flagged

Versus other King George Avenue homes
On epc rating, 23 King George Avenue stands well clear of the street.
Price per m²
£4,963
Street avg £5,224
Floor Area
134 m²
Street avg 111 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 5.2 t/year
Similar properties nearby
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1 Ambleside Avenue
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1 Clements Road
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ambleside Avenue — bus stop.
Closest school
0.3 km
Walton Oak Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.8dB

Night-time· 23:00 – 07:00
37.3dB