Ashdown House, Flat 4, 17 Rydens Road, Walton On Thames, KT12 3AB
About Ashdown House
Ashdown House is a two-bedroom semi-detached house in Walton On Thames (KT12 3AB). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1900-1929 and council tax band E. Tenure is freehold. At 100 m² this is the smallest unit on EPC record across Ashdown House (100–136 m²). On EPC score it ranks last in the building (57 versus a best of 67). The latest certificate (November 2023) shows a D (score 57), a step below the typical UK home. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good. The recommended improvements would push it to C (score 71).
At 100 m² it sits well below the postcode median (144 m² across 10 EPCs), making it one of the more compact homes locally. Last sale on file: £530,000 in April 2024. Across the public record there are 6 sales, relatively high churn for a single property. Across 2002–2024, sale prices on this property compounded at 3.2% per year. On a £-per-square-foot basis, the last sale (£492/sq ft) was about 19.4% above the typical sold price in the postcode.
Know exactly what you're buying at Ashdown House
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
- Bedrooms2
- Bathrooms1
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
- DrivewayYes
Building
- TenureFreehold
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Planning history
Ashdown House has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at Ashdown House
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
Sale price has at least doubled since 2002.
£554,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 22 years.
£530,000
Growth on file: 3.2% per year over 22 years.
Sales timeline
15 April 2024Most recent
£530,000
+1.0%over 3 years27 November 2020
£525,000
+36.4%over 10 years16 June 2010
£385,000
+2.7%over 3 years14 March 2007
£375,000
+50.0%over 3 years23 October 2003
£250,000
-5.7%over 1 year14 February 2002
£265,000
Median price across the last 5 sales in KT12 3AB: £1,240,000 (2025–2020).
Nearby sales in KT12 3AB
21b, Rydens Road, Walton On Thames, KT12 3AB
Sold Mar 2025
£1,210,00021e, Rydens Road, Walton On Thames, KT12 3AB
Sold Jan 2025
£1,650,00027 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 Ashdown House, 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

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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