16 Blackett Close, Staines Upon Thames, TW18 3NW
About 16 Blackett Close
16 Blackett Close is a four-bedroom detached house in Staines Upon Thames (TW18 3NW). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (June 2023) shows a C (score 72). When first surveyed in October 2011 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83). The property has an EV charger on record, all of which lower running costs and tend to lift resale appeal. The home occupies a corner plot.
One planning record on file: an extension approved in 2014. Past consents include an extension, a garage conversion and an annexe, meaningful when judging how the property has evolved. Across 2007–2013, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £771,000 is 45.5% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£367/sq ft) was about 30.8% above the typical sold price in the postcode. Last changed hands 12 years ago, in December 2013. At 134 m² it's 15.7% smaller than the typical home in the postcode (159 m² median across 9 EPCs).
Know exactly what you're buying at 16 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
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
- EnsuiteYes
Outside
- GarageYes
- Corner plotYes
Building
- EV chargerYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Sept 2014Garage ConversionIn report
Extension: Side of property
Alteration and conversion of garage into habitable accommodation and incorporation of altered garage into two storey side extension to create a granny annexe.
ExtensionAnnex- Documents
- 4 docs on file
- Reference
- RU.14/1182
We flagged 2 things worth checking at 16 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
30-day money-back guarantee
Sales history & valuation
16 Blackett Close valuation sits well clear of the typical sold price in this postcode.
£771,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 6 years.
£530,000
Growth on file: 1.6% per year over 6 years.
Sales timeline
20 December 2013Most recent
£530,000
+10.4%over 6 years13 September 2007
£480,000
Median price across the last 5 sales in TW18 3NW: £745,000 (2025–2022).
Nearby sales in TW18 3NW
15 Blackett Close, Staines Upon Thames, TW18 3NW
Sold Jan 2025
£700,0006 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
£635,000
Everything we know about 16 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 habitable rooms, 16 Blackett Close runs well behind the street norm.
Price per m²
£3,955
Street avg £3,691
Floor Area
134 m²
Street avg 157 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
3.8 t/year
Street avg 4.5 t/year
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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