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12a, Bowes Road, Walton On Thames, KT12 3HS

1 planning record
Property type
Detached
Habitable rooms
5
From EPC
Floor area
138 m²
1485 sq ft
Energy rating
D
Score 62
Council tax
Band E
Tenure
Owner Occupied
Overview

About 12a

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

12a is a detached house in Walton On Thames (KT12 3HS). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2026) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 8 certificates since July 2009. Between certificates, lighting went from Average to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 80). This certificate was lodged in the last six months, so the rating reflects current condition.

One planning application is currently pending a decision in 2025. At 138 m² it's 29% smaller than the typical home in the postcode (194 m² median across 24 EPCs).

Before you offer

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

Larger development activity nearby
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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 8)
Jan 2026

EPC Rating

A
B
C
D
D62
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Poor
CO2 Emissions
5.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2010from Jul 2009
EPC improved fromD57toC78
Walls
PoorGood

Wall insulation improved

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting
31%80%

More low energy lighting installed

Aug 2020from Feb 2010
EPC improved fromC78toD68
Low Energy Lighting
80%100%

More low energy lighting installed

Feb 2021from Aug 2020
EPC improved fromD68toE52
Windows
AverageGood

Window efficiency improved

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
100%73%

Low energy lighting percentage decreased

Jul 2021from Feb 2021
EPC improved fromE52toD60
Low Energy Lighting
73%100%

More low energy lighting installed

Nov 2023from Jul 2021
EPC improved fromD60toE52
Hot Water
GoodAverage

Hot water efficiency decreased

Sept 2025from Nov 2023
EPC improved fromE52toC79
Heating System
Gas BoilerHeat Pump

Heat pump installed, significantly improving energy efficiency

Main Fuel
GasElectric

Changed to a more efficient fuel source

Heating Controls
FullFull Control

Heating controls upgraded for better temperature management

Windows
Full DoubleHigh Performance

High performance glazing installed

Wall Insulation
Uninsulated SolidInsulated Cavity

Cavity wall insulation installed

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Jan 2026from Sept 2025
EPC improved fromC79toD62
Heating System
Heat PumpGas Boiler

Heating system changed

Main Fuel
ElectricGas

Connected to mains gas supply

Heating Controls
Full ControlProg + Stat

Heating controls changed

Planning

Planning history

Applications and permits filed against 12a, Bowes Road, Walton On Thames, KT12 3HS, sourced from the PlanIt planning register.

There is a planning application currently awaiting a decision.

  1. Dec 2025
    Full
    In report

    Construction of two detached chalet bungalows with associated hard and soft landscaping and bin and cycle stores, following demolition of the existing detached bungalow and associated outbuildings.

    Documents
    29 docs on file
    Reference
    2025/3324
    View planning record
Before you offer

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
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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£1,001,000

Modelled from EPC, postcode comparables.

See how we calculated this

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 3HS: £1,075,000 (2024–2021).

Before you offer

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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Bowes Road homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

Habitable Rooms for 12a lags the street by a wide margin.

EPC Rating

62 (D)

Street avg 60 (D)

On par

Floor Area

138 m²

Street avg 189 m²

Below

CO₂ Emissions

5.5 t/year

Street avg 7.4 t/year

Above

Habitable Rooms

5 rooms

Street avg 7 rooms

Strongly below
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£975k

1 Denton Grove

KT12 3HE

4 bed
£888k

1 Elland Road

KT12 3JT

4 bed2 bath
£788k

1 Foxhollow Close

KT12 3BG

4 bed3 bath
£726k

1 Beecot Lane

KT12 3JW

3 bed2 bath
£718k

1 Clements Road

KT12 3LY

5 bed2 bath
£700k

1 Colne Drive

KT12 3SL

£1.4m

1 Crossway

KT12 3JA

5 bed
£1.5m

1 Bowes Road

KT12 3HS

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Walton On Thames district page.
Full Walton On Thames report

Rail-style transport is unusually close for this postcode.

Crime

9/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Bowes Road — bus stop.

Closest school

0.6 km

Ashley Church of England Primary School. 14 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around KT12 3HS from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for KT12 3HS

Daytime· 07:00 – 23:00

49.3dB

Low
Night-time road noise heatmap for KT12 3HS

Night-time· 23:00 – 07:00

40.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12a, Bowes Road, Walton On Thames, KT12 3HS. Each answer is also embedded as structured data for search engines.