17 Spencer Road, Isleworth, TW7 4BN
About 17 Spencer Road
17 Spencer Road is a semi-detached house in Isleworth (TW7 4BN). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (April 2023) shows a D (score 55), a step below the typical UK home. When first surveyed in January 2023 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, lighting went from Average to Very Good and main heating went from Very Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity.
It hasn't traded since February 2000, a hold of 26 years that's notably long for the area. Across 1997–2000, sale prices on this property compounded at 29.4% per year. Today's modelled estimate of £491,000 sits 180.6% above the 2000 sale of £175,000. On a £-per-square-foot basis, the last sale (£211/sq ft) was about 33.4% below the postcode norm.
Know exactly what you're buying at 17 Spencer Road
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
17 Spencer Road has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at 17 Spencer Road
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
17 Spencer Road's modelled value sits at over four times its earliest registered sale price (1997).
£491,000
Modelled from EPC, postcode comparables and a sale-price growth of 29.4% per year over 2 years.
£175,000
Growth on file: 29.4% per year over 2 years.
Sales timeline
16 February 2000Most recent
£175,000
+78.6%over 2 years17 November 1997
£98,000
Median price across the last 5 sales in TW7 4BN: £450,000 (2025–2021).
Nearby sales in TW7 4BN
Everything we know about 17 Spencer Road, 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 Spencer Road homes
Price per m² for 17 Spencer Road lags the street by a wide margin.
Price per m²
£2,273
Street avg £5,173
Floor Area
77 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.5 t/year
Similar properties nearby
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
Gresham Road Lampton — bus stop.
Closest school
0.6 km
Spring Grove Primary School. 46 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
54.4dB
Night-time· 23:00 – 07:00
44.8dB