Beck House, Flat 18, 174 Twickenham Road, Isleworth, TW7 7DJ
About Beck House
Beck House is a detached house in Isleworth (TW7 7DJ). It has a recorded floor area of 56 m² (around 603 sq ft). The latest certificate (August 2019) returns a high B (score 85), putting the home a stone's throw from an A rating. At 56 m² this is the 6th smallest of 29 units on EPC record in Beck House, where floor areas span 54–94 m².
Across 2019–2020, sale prices on this property compounded at 43.8% per year. Today's modelled estimate of £377,000 is 15.8% below the 2020 sale of £447,500, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£742/sq ft) was about 33.9% above the typical sold price in the postcode. At 56 m² it's 27.3% smaller than the typical home in the postcode (77 m² median across 41 EPCs). Most recent transfer: January 2020 at £447,500.
Know exactly what you're buying at Beck House
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
Energy performance
Beck House's carbon output is low for the local stock.
EPC Rating
Planning history
Beck House has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 2 things worth checking at Beck House
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.
- Larger development activity nearby
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
Beck House changed hands twice within eighteen months — unusual for the area.
£377,000
Modelled from EPC, postcode comparables and a sale-price growth of 43.8% per year over 1 year.
£447,500
Growth on file: 43.8% per year over 1 year.
Sales timeline
31 January 2020Most recent
£447,500
+43.8%31 October 2019
£311,220
Median price across the last 5 sales in TW7 7DJ: £399,000 (2024–2023).
Nearby sales in TW7 7DJ
Beck House, Flat 16, 174 Twickenham Road, Isleworth, TW7 7DJ
Sold Aug 2024
£364,000Beck House, Flat 24, 174 Twickenham Road, Isleworth, TW7 7DJ
Sold Jul 2024
£505,000Beck House, Flat 5, 174 Twickenham Road, Isleworth, TW7 7DJ
Sold Feb 2024
£399,000Beck House, Flat 11, 174 Twickenham Road, Isleworth, TW7 7DJ
Sold Sept 2023
£425,000Beck House, Flat 22, 174 Twickenham Road, Isleworth, TW7 7DJ
Sold May 2023
£329,241
Everything we know about Beck House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
- Recent ownership pattern worth a look

Versus other Twickenham Road homes
On co₂ emissions, Beck House stands well clear of the street.
Price per m²
£7,991
Street avg £5,876
Floor Area
56 m²
Street avg 71 m²
CO₂ Emissions
0.3 t/year
Street avg 0.9 t/year
Years Held
6 years
Street avg 7 years
Similar properties nearby
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Beck House, Flat 22, 174 Twickenham Road
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Beck House, Flat 12, 174 Twickenham Road
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Beck House, Flat 16, 174 Twickenham Road
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Worton Road — bus stop.
Closest school
0.2 km
Gumley House RC Convent School, FCJ. 42 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
52.8dB

Night-time· 23:00 – 07:00
43.6dB