21b, Rydens Road, Walton On Thames, KT12 3AB
About 21b
21b is a four-bedroom detached house in Walton On Thames (KT12 3AB). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1950-1966 and council tax band G. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include outbuildings. Period features are noted in the property record. The latest certificate (March 2020) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).
A recent sale: £1,210,000 in March 2025. One planning record on file: a garage conversion approved in 2021. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£781/sq ft) was about 110.5% above the typical sold price in the postcode.
Know exactly what you're buying at 21b
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
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
- OutbuildingsYes
Building
- Listed buildingYes
- Period featuresYes
- RefurbishedYes
Energy performance
21b's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Jan 2021Garage ConversionFullIn report
Conversion of garage into living space, front roof light and alterations to fenestration.
- Documents
- 17 docs on file
- Reference
- 2020/3116
We flagged 1 thing worth checking at 21b
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
Price for 21b has grown more than fourfold since the 1998 starting point.
£1,250,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 27 years.
£1,210,000
Growth on file: 5.7% per year over 27 years.
Sales timeline
17 March 2025Most recent
£1,210,000
+15.2%over 4 years30 July 2020
£1,050,000
+281.8%over 22 years12 July 1998
£275,000
Median price across the last 5 sales in KT12 3AB: £1,240,000 (2025–2020).
Nearby sales in KT12 3AB
21e, Rydens Road, Walton On Thames, KT12 3AB
Sold Jan 2025
£1,650,000Ashdown House, Flat 4, 17 Rydens Road, Walton On Thames, KT12 3AB
Sold Apr 2024
£530,00027 Rydens Road, Walton On Thames, KT12 3AB
Sold Sept 2023
£1,900,00021c, Rydens Road, Walton On Thames, KT12 3AB
Sold Jun 2021
£1,240,000Ashdown House, Flat 3, 17 Rydens Road, Walton On Thames, KT12 3AB
Sold Jun 2019
£550,000
Everything we know about 21b, 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 Rydens Road homes
Price per m² for 21b runs comfortably ahead of the street norm.
Price per m²
£8,403
Street avg £5,524
Floor Area
144 m²
Street avg 193 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.1 t/year
Street avg 7.9 t/year
Similar properties nearby
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
0.1 km
Betley Court — bus stop.
Closest school
0.5 km
Three Rivers Academy. 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
48.4dB
Night-time· 23:00 – 07:00
39.0dB