27 Dene Avenue, Hounslow, TW3 3AQ
About 27 Dene Avenue
27 Dene Avenue is a three-bedroom semi-detached house in Hounslow (TW3 3AQ). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2024) shows a C (score 74). When first surveyed in December 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 82). Records show the property has been extended at some point in its history.
At 159 m² the property is well over the postcode median (102 m² across 22 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £710,000 is 10.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£374/sq ft) was about 39.5% above the typical sold price in the postcode. Sold January 2023 for £640,500.
Know exactly what you're buying at 27 Dene 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
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff street
Building
- Previously extendedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Planning history
Multiple extension applications run across more than a decade of planning history at 27 Dene Avenue.
- Mar 2023ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 6.00 metres deep, maximum height of 3.63 metres, 3.00 metres high to the eaves
- Documents
- 7 docs on file
- Reference
- PA/2023/0355
- Feb 2023ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of first floor rear extension with associated roof alteration to the house
- Documents
- 9 docs on file
- Reference
- P/2023/0003
We flagged 2 things worth checking at 27 Dene 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
27 Dene Avenue valuation sits well clear of the typical sold price in this postcode.
£710,000
Modelled from EPC, postcode comparables.
£640,500
Recorded with HM Land Registry.
Sales timeline
6 January 2023Most recent
£640,500
Median price across the last 5 sales in TW3 3AQ: £580,662 (2023–2019).
Everything we know about 27 Dene 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 Dene Avenue homes
On epc rating, 27 Dene Avenue stands well clear of the street.
Price per m²
£4,028
Street avg £3,866
Floor Area
159 m²
Street avg 111 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.6 t/year
Similar properties nearby
1 Grosvenor Road
TW3 3ER
1 Cranston Close
TW3 3DQ
1 Blenheim Court, St Pauls Close
TW3 3DG
1 Coombe Close
TW3 3SA
1 Granville Avenue
TW3 3TF
1 Dene Avenue
TW3 3AQ
1 Bulstrode Road
TW3 3AW
1 Enton Place, Vine Place
TW3 3PE
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
16/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Wellington Road North — bus stop.
Closest school
0.3 km
St Mark's Catholic School. 38 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
53.2dB

Night-time· 23:00 – 07:00
45.2dB