21 Deborah Close, Isleworth, TW7 4NY
About 21 Deborah Close
21 Deborah Close is a three-bedroom end-of-terrace house in Isleworth (TW7 4NY). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (August 2010) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from August 2010, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Across 1999–2011, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £484,000 sits 56.1% above the 2011 sale of £310,000. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 70.4% above the typical sold price in the postcode. Last changed hands 15 years ago, in August 2011. Across the public record there are 4 sales, relatively high churn for a single property.
Know exactly what you're buying at 21 Deborah 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
- Dining roomYes
- CloakroomYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
Building
- Central heatingYes
Energy performance
21 Deborah Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Aug 2020
EPC Rating
Planning history
21 Deborah Close has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at 21 Deborah 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
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 1999.
£484,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 12 years.
£310,000
Growth on file: 7.3% per year over 12 years.
Sales timeline
25 August 2011Most recent
£310,000
+34.8%over 8 years19 June 2003
£230,000
+33.3%over 3 years5 April 2000
£172,500
+32.7%over 1 year30 March 1999
£130,000
Median price across the last 5 sales in TW7 4NY: £365,000 (2025–2021).
Nearby sales in TW7 4NY
Everything we know about 21 Deborah 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
- Larger development activity nearby
Versus other Deborah Close homes
21 Deborah Close is notably below the street on price per m².
Price per m²
£4,247
Street avg £6,309
Floor Area
73 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Thornbury Avenue/Great West Rd — bus stop.
Closest school
0.2 km
Isleworth and Syon School for Boys. 48 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
55.9dB
Night-time· 23:00 – 07:00
46.2dB