25 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
About 25 Ash House
25 Ash House is a one-bedroom mid-terrace house in Staines Upon Thames (TW18 4DN). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (December 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2015. Between certificates, wall efficiency dropped from Very Good to Good and hot-water efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. At 49 m² this is the 11th smallest of 41 units on EPC record in the building, where floor areas span 44–78 m². The building's EPC ratings span D to B across 41 units on file.
Across 2015–2022, sale prices on this property compounded at 0.8% per year. Sold March 2022 for £263,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 25 Ash 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
- Bedrooms1
- Bathrooms1
Energy performance
25 Ash House's carbon output is low for the local stock.
EPC Rating
Planning history
25 Ash House has no planning applications on record.
Notable planning nearby
11applications of note in the surrounding area
We flagged 2 things worth checking at 25 Ash 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.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£262,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.8% per year over 6 years.
£263,000
Growth on file: 0.8% per year over 6 years.
Sales timeline
25 March 2022Most recent
£263,000
+5.2%over 6 years30 October 2015
£250,000
Median price across the last 5 sales in TW18 4DN: £275,000 (2025–2024).
Nearby sales in TW18 4DN
28 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
Sold Jun 2025
£275,0009 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
Sold Feb 2025
£265,00027 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
Sold Sept 2024
£250,00019 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
Sold Jul 2024
£340,00017 Ash House, Fairfield Avenue, Staines Upon Thames, TW18 4DN
Sold Apr 2024
£340,000
Everything we know about 25 Ash 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
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Fairfield Avenue homes
On co₂ emissions, 25 Ash House stands well clear of the street.
Price per m²
£5,367
Street avg £4,855
Floor Area
49 m²
Street avg 61 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Kingston Road — bus stop.
Closest school
1.0 km
Riverbridge 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
57.9dB

Night-time· 23:00 – 07:00
49.4dB