21 Bennetts Close, Slough, SL1 5AS
About 21 Bennetts Close
21 Bennetts Close is a mid-terrace house in Slough (SL1 5AS). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (February 2026) shows a C (score 71). When first surveyed in October 2015 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 1997–2017, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £415,000 is 32.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£342/sq ft) was about 59% above the typical sold price in the postcode. On the market in June 2017 and unlisted since — roughly 9 years.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
Solar PV panels (20 kWp) installed
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
3 applications on record at 21 Bennetts Close, Slough, SL1 5AS
- Dec 2023ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.00m, with a maximum height of 3.00m, and an eaves height of 2.86m
- Documents
- 2 docs on file
- Reference
- Y/20372/000
- More recent applications — locked
- ExtensionFeb 2024Decision
- Loft ConversionFeb 2024Decision
Unlock 21 Bennetts Close, Slough, SL1 5AS's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 5 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Bennetts Close has more than tripled in price since its earliest registered sale in 1997.
£415,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 20 years.
£312,500
Growth on file: 6.6% per year over 20 years.
Sales timeline
19 June 2017Most recent
£312,500
+251.1%over 19 years18 November 1997
£89,000
Median price across the last 5 sales in SL1 5AS: £357,000 (2024–2018).
Versus other Bennetts Close homes
CO₂ Emissions for 21 Bennetts Close runs comfortably ahead of the street norm.
Price per m²
£3,676
Street avg £3,222
Floor Area
85 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.4 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Raleigh Close — bus stop.
Closest school
0.2 km
The Westgate School. 26 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.2dB

Night-time· 23:00 – 07:00
43.8dB







