12a, Flat 2, Brunswick Close, Walton On Thames, KT12 3JJ
About 12a
12a is a property in Walton On Thames (KT12 3JJ). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 2021. The latest certificate (May 2021) returns a B (score 83), comfortably above the UK average.
At 50 m² it's 20% smaller than the typical home in the postcode (63 m² median across 24 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
Know exactly what you're buying at 12a
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
12a's carbon output is low for the local stock.
EPC Rating
Planning history
12a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 12a
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
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£286,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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 12a, 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
CO₂ Emissions for 12a runs comfortably ahead of the street norm.
EPC Rating
83 (B)
Street avg 71 (C)
Floor Area
50 m²
Street avg 62 m²
CO₂ Emissions
0.8 t/year
Street avg 2.1 t/year
Similar properties nearby
14a, Flat 10, Oakbank Avenue
KT12 3QZ
1a, Flat 1, King George Avenue
KT12 3LP
14a, Flat 6, Oakbank Avenue
KT12 3QZ
1a, Flat 6, King George Avenue
KT12 3LP
14a, Flat 7, Oakbank Avenue
KT12 3QZ
1a, Flat 3, King George Avenue
KT12 3LP
14a, Flat 3, Oakbank Avenue
KT12 3QZ
1a, Flat 2, King George Avenue
KT12 3LP
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