20 Heldmann Close, Hounslow, TW3 2PA
About 20 Heldmann Close
20 Heldmann Close is a three-bedroom semi-detached house in Hounslow (TW3 2PA). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (March 2015) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
Across 2016–2019, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £551,000 is 13.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 85.6% above the typical sold price in the postcode. Most recent transfer: July 2019 at £485,000. One historical planning record sits against the property in 2020.
Know exactly what you're buying at 20 Heldmann Close
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
- Bathrooms1
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Mar 2025
EPC Rating
Planning history
- Dec 2020MixedOutlineIn report
Certificate of Lawfulness for hip to gable and rear roof extension with juliet balcony and three front roof windows.
- Documents
- 4 docs on file
- Reference
- P/2020/4146
We flagged 1 thing worth checking at 20 Heldmann Close
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
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Sales history & valuation
20 Heldmann Close valuation sits well clear of the typical sold price in this postcode.
£551,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 3 years.
£485,000
Growth on file: 6.5% per year over 3 years.
Sales timeline
18 July 2019Most recent
£485,000
+24.4%over 3 years25 January 2016
£390,000
Median price across the last 5 sales in TW3 2PA: £445,000 (2023–2015).
Nearby sales in TW3 2PA
Everything we know about 20 Heldmann Close, 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

Versus other Heldmann Close homes
On habitable rooms, 20 Heldmann Close runs well behind the street norm.
Price per m²
£5,774
Street avg £3,789
Floor Area
84 m²
Street avg 92 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.5 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
16/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Heath Road — bus stop.
Closest school
0.5 km
Chatsworth Primary School. 54 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
49.9dB

Night-time· 23:00 – 07:00
39.2dB