42a, Flat 4, High Street, Walton On Thames, KT12 1BZ
About 42a
42a is a mid-terrace house in Walton On Thames (KT12 1BZ). It has a recorded floor area of 39 m² (around 420 sq ft) and construction records dating it to 2012-2021. At 39 m² this is the smallest unit on EPC record across 42a (39–96 m²). The latest certificate (June 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since May 2016. Between certificates, wall efficiency went from Very Poor to Good; while window efficiency dropped from Very Good to Average and lighting dropped from Very Good to Good.
At 39 m² it sits well below the postcode median (83 m² across 13 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 42a
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
42a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Planning history
42a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 42a
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
42a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£233,000
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 1BZ: £910,000 (2024–2016).
Nearby sales in KT12 1BZ
42 High Street, Walton On Thames, KT12 1BZ
Sold Mar 2024
£700,00032a, High Street, Walton On Thames, KT12 1BZ
Sold Apr 2023
£1,850,00034 High Street, Walton On Thames, KT12 1BZ
Sold Apr 2023
£1,850,000Flat 1 3, 30 High Street, Walton On Thames, KT12 1BZ
Sold May 2018
£910,00034a, Apartment 2, High Street, Walton On Thames, KT12 1BZ
Sold Dec 2016
£300,000
Everything we know about 42a, 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 High Street homes
42a is notably below the street on floor area.
EPC Rating
77 (C)
Street avg 64 (D)
Floor Area
39 m²
Street avg 77 m²
CO₂ Emissions
1.0 t/year
Street avg 3.4 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
Similar properties nearby
29 31, Flat 5, Bridge Street
KT12 1AF
77a, Flat 1, High Street
KT12 1DN
93b, Flat 1, Hersham Road
KT12 1RJ
42a, Flat 1, High Street
KT12 1BZ
1b, Flat 3, Ashley Road
KT12 1HY
77a, Flat 2, High Street
KT12 1DN
79a, Flat 5, High Street
KT12 1DN
29 31, Flat 1, Bridge Street
KT12 1AF
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
High Street — bus stop.
Closest school
0.2 km
Ashley Church of England Primary School. 17 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
50.7dB
Night-time· 23:00 – 07:00
42.2dB