8 Cottimore Avenue, Walton On Thames, KT12 2AD
About 8 Cottimore Avenue
8 Cottimore Avenue is a three-bedroom semi-detached house in Walton On Thames (KT12 2AD). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2018) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 89), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
At 75 m² it's 15.7% smaller than the typical home in the postcode (89 m² median across 33 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £578,000 is 33.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 81.2% above the typical sold price in the postcode. Most recent transfer: November 2018 at £432,500.
Know exactly what you're buying at 8 Cottimore 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
- Bedrooms3
- Dining roomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
8 Cottimore Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
8 Cottimore Avenue has an approved single-storey rear extension on the planning record.
- Jul 2020ExtensionOutlineIn report
Extension: Single storey · Rear of property
Prior Approval Schedule 2, Part 1, Class A: Single-storey rear extension.
- Documents
- 11 docs on file
- Reference
- 2020/1434
We flagged 1 thing worth checking at 8 Cottimore 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
30-day money-back guarantee
Sales history & valuation
8 Cottimore Avenue valuation sits well clear of the typical sold price in this postcode.
£578,000
Modelled from EPC, postcode comparables.
£432,500
Recorded with HM Land Registry.
Sales timeline
23 November 2018Most recent
£432,500
Median price across the last 5 sales in KT12 2AD: £675,000 (2025–2022).
Nearby sales in KT12 2AD
39 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Sept 2025
£675,00027 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Feb 2025
£684,50034 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Feb 2023
£705,00060 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Feb 2023
£572,5009 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Sept 2022
£565,000
Everything we know about 8 Cottimore 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

Versus other Cottimore Avenue homes
EPC Rating for 8 Cottimore Avenue lags the street by a wide margin.
Price per m²
£5,767
Street avg £4,448
Floor Area
75 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Dale Road
KT12 2PY
1 Fairfax Close
KT12 2AJ
1 Cottimore Avenue
KT12 2AD
1 Armstrong Close
KT12 2JQ
1 Dunsmore Court, Dunsmore Road
KT12 2LJ
1 Dillmount Drive
KT12 2FJ
1 Carlcott Close
KT12 2BF
1 Cottimore Terrace
KT12 2BY
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cottimore Crescent — bus stop.
Closest school
0.7 km
Ashley Church of England Primary School. 16 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
49.6dB

Night-time· 23:00 – 07:00
39.1dB