11 Swyncombe Avenue, Hounslow, London, W5 4DR
About 11 Swyncombe Avenue
11 Swyncombe Avenue is a four-bedroom semi-detached house in Hounslow, London, London (W5 4DR). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (February 2022) shows a D (score 59), a step below the typical UK home. When first surveyed in August 2011 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £945,000 sits 80% above the 2011 sale of £525,000. On the market in September 2011 and unlisted since — roughly 15 years.
Know exactly what you're buying at 11 Swyncombe Avenue
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
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Loft insulation upgraded to recommended levels
Windows upgraded, improving insulation
Planning history
11 Swyncombe Avenue has no planning applications on record.
Notable planning nearby
19applications of note in the surrounding area
We flagged 2 things worth checking at 11 Swyncombe Avenue
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
11 Swyncombe Avenue valuation sits well clear of the typical sold price in this postcode.
£945,000
Modelled from EPC, postcode comparables.
£525,000
Recorded with HM Land Registry.
Sales timeline
26 September 2011Most recent
£525,000
Median price across the last 5 sales in W5 4DR: £805,000 (2024–2023).
Nearby sales in W5 4DR
25 Swyncombe Avenue, Hounslow, London, W5 4DR
Sold Jun 2024
£975,0001 Swyncombe Avenue, Hounslow, London, W5 4DR
Sold Jun 2024
£610,00029 Swyncombe Avenue, Hounslow, London, W5 4DR
Sold Nov 2023
£720,00049 Swyncombe Avenue, Hounslow, London, W5 4DR
Sold Sept 2023
£1,017,5003 Swyncombe Avenue, Hounslow, London, W5 4DR
Sold Sept 2023
£805,000
Everything we know about 11 Swyncombe Avenue, 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 Swyncombe Avenue homes
11 Swyncombe Avenue is notably below the street on price per m².
Price per m²
£3,977
Street avg £6,029
Floor Area
132 m²
Street avg 128 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Ealing Park Gardens — bus stop.
Closest school
0.3 km
Gunnersbury Catholic School. 37 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
55.5dB

Night-time· 23:00 – 07:00
48.4dB