12 Brunswick Close, Walton On Thames, KT12 3JJ
About 12 Brunswick Close
12 Brunswick Close is an end-of-terrace house in Walton On Thames (KT12 3JJ). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1976-1982 and council tax band C. At 63 m² this is the 14th smallest of 25 units on EPC record in the building, where floor areas span 41–83 m². The building's EPC ratings span D to B across 25 units on file. The latest certificate (April 2015) shows a C (score 69), just inside the C band. The latest certificate is from April 2015, so improvements made since then won't be reflected.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include a loft conversion and subdivision, meaningful when judging how the property has evolved. Across 2015–2019, sale prices on this property compounded at -4.4% per year. Today's modelled estimate of £354,000 is 26.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£413/sq ft) was about 31.7% above the typical sold price in the postcode. Most recent transfer: June 2019 at £280,000.
Know exactly what you're buying at 12 Brunswick Close
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
Energy performance
12 Brunswick Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Apr 2025
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- May 2022Loft ConversionFullIn report
Rear dormer windows and front rooflights to create a second floor flat, conversion of existing first floor two-bedroom flat into a one-bedroom flat and bin and cycle store.
Subdivision- Documents
- 20 docs on file
- Reference
- 2021/1601
- Oct 2017Loft ConversionFullIn report
Two rear dormer windows
- Documents
- 15 docs on file
- Reference
- 2017/2411
We flagged 1 thing worth checking at 12 Brunswick Close
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
12 Brunswick Close valuation sits well clear of the typical sold price in this postcode.
£354,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.4% per year over 4 years.
£280,000
Growth on file: -4.4% per year over 4 years.
Sales timeline
16 June 2019Most recent
£280,000
-16.2%over 3 years22 July 2015
£334,000
Median price across the last 5 sales in KT12 3JJ: £338,000 (2025–2024).
Nearby sales in KT12 3JJ
5 Brunswick Close, Walton On Thames, KT12 3JJ
Sold Oct 2025
£200,00013 Brunswick Close, Walton On Thames, KT12 3JJ
Sold May 2025
£200,0003 Brunswick Close, Walton On Thames, KT12 3JJ
Sold Mar 2025
£338,0006 Brunswick Close, Walton On Thames, KT12 3JJ
Sold Oct 2024
£345,000Flat 1, 2 Brunswick Close, Walton On Thames, KT12 3JJ
Sold May 2024
£355,000
Everything we know about 12 Brunswick Close, 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 Brunswick Close homes
Price per m²
£4,444
Street avg £4,512
Floor Area
63 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.1 t/year
Similar properties nearby
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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
0.2 km
Rodney Green — bus stop.
Closest school
0.4 km
Walton Oak Primary School. 12 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
48.0dB

Night-time· 23:00 – 07:00
37.7dB