14 Copthorne Mews, Hayes, UB3 4BN
About 14 Copthorne Mews
14 Copthorne Mews is a one-bedroom mid-terrace house in Hayes (UB3 4BN). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1996-2002 and council tax band B. At 31 m² this is the 14th smallest of 31 units on EPC record in the building, where floor areas span 29–120 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (46 versus a best of 84). The latest certificate (October 2024) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2014); the latest reading is one band lower. Between certificates, roof efficiency dropped from Average to Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. It changed hands recently, sold March 2025 for £182,000. Across 2006–2025, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £201,000 is 10.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£545/sq ft) was about 42.2% above the typical sold price in the postcode.
Know exactly what you're buying at 14 Copthorne Mews
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
Outside
- ParkingAllocated
Building
- Heating systemElectric
Energy performance
14 Copthorne Mews sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Planning history
14 Copthorne Mews has no planning applications on record.
Notable planning nearby
17applications of note in the surrounding area
We flagged 2 things worth checking at 14 Copthorne Mews
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
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Sales history & valuation
14 Copthorne Mews valuation sits well clear of the typical sold price in this postcode.
£201,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 19 years.
£182,000
Growth on file: 3.3% per year over 19 years.
Sales timeline
21 March 2025Most recent
£182,000
+45.6%over 18 years15 January 2007
£125,000
+27.6%over 1 year11 January 2006
£98,000
Median price across the last 5 sales in UB3 4BN: £200,000 (2024–2022).
Everything we know about 14 Copthorne Mews, 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 Copthorne Mews homes
14 Copthorne Mews is notably below the street on years held.
Price per m²
£5,871
Street avg £4,868
Floor Area
31 m²
Street avg 31 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Copthorne Mews
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1 Fairey Avenue
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1 Crowland Avenue
UB3 4JN
1 Brunel House, Keith Road
UB3 4HN
1 Cranford Park Road
UB3 4PF
1 Cranford Drive
UB3 4LA
1 Hillborne Close
UB3 4RE
1 Elizabeth Fry House, Croyde Avenue
UB3 4EL
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Pinkwell Lane — bus stop.
Closest school
0.5 km
Harlington School. 24 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
58.0dB

Night-time· 23:00 – 07:00
49.8dB