23 Swyncombe Avenue, Hounslow, London, W5 4DR
About 23 Swyncombe Avenue
23 Swyncombe Avenue is a five-bedroom end-of-terrace house in Hounslow, London, London (W5 4DR). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2020) shows a C (score 73). When first surveyed in July 2013 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 86).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 155 m² it's 15.7% larger than the typical home in the postcode (134 m² median across 15 EPCs). 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. Across 2013–2020, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £1,106,000 is 16.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£569/sq ft) was about 54.1% above the typical sold price in the postcode. Most recent transfer: August 2020 at £950,000.
Know exactly what you're buying at 23 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
- Bedrooms5
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenSouth-facing
- ParkingOff street
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Roof insulation improved
Floor insulation added or improved
Planning history
- Mar 2018Loft ConversionFullIn report
Erection of a rear roof extension incorporating hip to gable conversion, three front roof windows and one side roof window to the house
- Documents
- 11 docs on file
- Reference
- P/2018/0119
- Dec 2017ConversionOutlineIn report
Certificate of Lawfulness for erection of a rear roof extension with hip to gable conversion and three roof windows to front elevation
- Documents
- 11 docs on file
- Reference
- P/2017/4710
We flagged 2 things worth checking at 23 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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,106,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.5% per year over 7 years.
£950,000
Growth on file: 8.5% per year over 7 years.
Sales timeline
11 August 2020Most recent
£950,000
+72.7%over 6 years29 November 2013
£550,000
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 23 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
23 Swyncombe Avenue outperforms the street on floor area by a wide margin.
Price per m²
£6,129
Street avg £5,864
Floor Area
155 m²
Street avg 127 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.6 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