15 Blackett Close, Staines Upon Thames, TW18 3NW
About 15 Blackett Close
15 Blackett Close is a detached house in Staines Upon Thames (TW18 3NW). It has a recorded floor area of 164 m² (around 1765 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (August 2024) shows a C (score 72). The recommended improvements would push it to B (score 82).
It changed hands recently, sold January 2025 for £700,000. At 164 m² it's 18% larger than the typical home in the postcode (139 m² median across 9 EPCs). Across 2024–2025, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £790,000 is 12.9% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£397/sq ft) was about 41.2% above the typical sold price in the postcode.
Know exactly what you're buying at 15 Blackett 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
Energy performance
EPC Rating
Planning history
15 Blackett Close has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 2 things worth checking at 15 Blackett 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.
- Larger development activity nearby
- Environmental risk flagged
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Sales history & valuation
15 Blackett Close changed hands twice within eighteen months — unusual for the area.
£790,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.6% per year over 1 year.
£700,000
Growth on file: 13.6% per year over 1 year.
Sales timeline
31 January 2025Most recent
£700,000
+13.6%3 October 2024
£616,000
Median price across the last 5 sales in TW18 3NW: £745,000 (2024–2013).
Nearby sales in TW18 3NW
6 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Nov 2024
£770,0004 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Jan 2023
£875,0003 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Aug 2022
£745,0008 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Feb 2016
£635,00016 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Dec 2013
£530,000
Everything we know about 15 Blackett 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
- Larger development activity nearby
- Environmental risk flagged

Versus other Blackett Close homes
On years held, 15 Blackett Close runs well behind the street norm.
Price per m²
£4,268
Street avg £3,652
Floor Area
164 m²
Street avg 154 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.4 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Blackett Close — bus stop.
Closest school
1.5 km
Thorpe Lea Primary School. 13 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
49.8dB

Night-time· 23:00 – 07:00
43.1dB