12b, Brunswick Close, Walton On Thames, KT12 3JJ
About 12b
12b is a property in Walton On Thames (KT12 3JJ). It has a recorded floor area of 73 m² (around 786 sq ft) and construction records dating it to 2021. The latest certificate (May 2021) returns a B (score 84), comfortably above the UK average. At 73 m² this is the 24th 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, with this unit at the top.
At 73 m² it's 18.7% larger than the typical home in the postcode (62 m² median across 24 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). On a £-per-square-foot basis, the last sale (£490/sq ft) was about 54.1% above the typical sold price in the postcode. Sold September 2021 for £385,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 12b
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
12b's carbon output is low for the local stock.
EPC Rating
Planning history
12b has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 12b
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
Latest sale on 12b was the highest on Land Registry record across the postcode.
£394,000
Modelled from EPC, postcode comparables.
£385,000
Recorded with HM Land Registry.
Sales timeline
27 September 2021Most recent
£385,000
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 12b, 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
On epc rating, 12b stands well clear of the street.
Price per m²
£5,274
Street avg £4,468
Floor Area
73 m²
Street avg 61 m²
CO₂ Emissions
1.0 t/year
Street avg 2.1 t/year
Years Held
5 years
Street avg 7 years
Similar properties nearby
1 Betley Court
KT12 3BT
1 Gladsmuir Close
KT12 3JD
1 Cheriton Court
KT12 3NY
1 Byron Close
KT12 3RL
1 Coniston Terrace, Ambleside Avenue
KT12 3BJ
1 Carrow Road
KT12 3JZ
1 Field Common Lane
KT12 3QH
1 Byeways, Field Common Lane
KT12 3QH
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