26 Swyncombe Avenue, Hounslow, London, W5 4DS
About 26 Swyncombe Avenue
26 Swyncombe Avenue is a three-bedroom mid-terrace house in Hounslow, London, London (W5 4DS). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (March 2017) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
4 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2017, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £1,044,000 is 17.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£698/sq ft) was about 82.6% above the typical sold price in the postcode. 9 years since the last transfer (August 2017).
Know exactly what you're buying at 26 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
- Bedrooms3
Outside
- ParkingOff street
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- Mar 2018ExtensionOutlineIn report
Certificate of lawfulness for erection of a rear roof extension with juliette balcony and two roof windows to front elevation
- Reference
- P/2018/0290
- Nov 2009ExtensionOutlineIn report
Certificate of Lawful development for a proposed rear extension and a proposed replacment outbuilding
- Reference
- P/2009/2270
We flagged 2 things worth checking at 26 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
Sale price has at least doubled since 2006.
£1,044,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 11 years.
£887,000
Growth on file: 6.9% per year over 11 years.
Sales timeline
24 August 2017Most recent
£887,000
+106.3%over 10 years27 September 2006
£430,000
Median price across the last 5 sales in W5 4DS: £1,130,000 (2025–2023).
Nearby sales in W5 4DS
8 Swyncombe Avenue, Hounslow, London, W5 4DS
Sold Mar 2025
£1,130,00058 Swyncombe Avenue, Hounslow, London, W5 4DS
Sold Jul 2024
£1,245,00052 Swyncombe Avenue, Hounslow, London, W5 4DS
Sold Dec 2023
£885,00060 Swyncombe Avenue, Hounslow, London, W5 4DS
Sold Oct 2023
£875,00018 Swyncombe Avenue, Hounslow, London, W5 4DS
Sold May 2023
£1,140,000
Everything we know about 26 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
On habitable rooms, 26 Swyncombe Avenue runs well behind the street norm.
Price per m²
£7,517
Street avg £5,764
Floor Area
118 m²
Street avg 128 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.5 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
Swyncombe Avenue — bus stop.
Closest school
0.3 km
Gunnersbury Catholic School. 36 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
55.1dB

Night-time· 23:00 – 07:00
47.9dB