27 Cottimore Avenue, Walton On Thames, KT12 2AD
About 27 Cottimore Avenue
27 Cottimore Avenue is a three-bedroom end-of-terrace house in Walton On Thames (KT12 2AD). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2024) shows a C (score 69), just inside the C band. When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony.
A recent sale: £684,500 in February 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Across 2007–2025, sale prices on this property compounded at 5.5% per year. On a £-per-square-foot basis, the last sale (£677/sq ft) was about 128.9% above the typical sold price in the postcode.
Know exactly what you're buying at 27 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
- Bathrooms1
- Open-plan layoutYes
- StudyYes
Outside
- Private gardenYes
- BalconyYes
Building
- Underfloor heatingYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Oct 2022ExtensionOutlineIn report
Roof extension.
- Documents
- 19 docs on file
- Reference
- 2022/1941
- Nov 2019DemolitionFullIn report
Extension: Single storey · Rear of property
Single-storey rear extension following partial demolition of existing house.
Extension- Documents
- 10 docs on file
- Reference
- 2019/2501
We flagged 1 thing worth checking at 27 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
Sale price has at least doubled since 2007.
£704,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 17 years.
£684,500
Growth on file: 5.5% per year over 17 years.
Sales timeline
21 February 2025Most recent
£684,500
+71.1%over 5 years19 December 2019
£400,000
+48.1%over 12 years30 October 2007
£270,000
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
£675,00034 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
£565,00040 Cottimore Avenue, Walton On Thames, KT12 2AD
Sold Jul 2022
£725,000
Everything we know about 27 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
27 Cottimore Avenue is notably below the street on years held.
Price per m²
£7,282
Street avg £4,397
Floor Area
94 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Dillmount Drive
KT12 2FJ
1 Cottimore Avenue
KT12 2AD
1 Dale Road
KT12 2PY
1 Fairfax Close
KT12 2AJ
1 Armstrong Close
KT12 2JQ
1 Dunsmore Court, Dunsmore Road
KT12 2LJ
1 Cottimore Crescent
KT12 2DA
1 Carlcott Close
KT12 2BF
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