21 Crosthwaite Way, Slough, SL1 6ET
About 21 Crosthwaite Way
21 Crosthwaite Way is a detached house in Slough (SL1 6ET). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (November 2015) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in October 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from November 2015, so improvements made since then won't be reflected.
At 160 m² the property is well over the postcode median (108 m² across 12 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 Nov 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Hot water efficiency improved
Loft insulation installed or upgraded to 250mm+
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
2 applications on record at 21 Crosthwaite Way, Slough, SL1 6ET
- Oct 2002ExtensionFullOutcome in report
Extension: Single storey
ERECTION OF A SINGLE STOREY REAR EXTENSION, CONVERSION OF EXISTING GARAGE INTO HABITABLE ROOM. ERECTION OF A SIDE EXTENSION TO PROVIDE A GARAGE (AMENDED PLANS DATED 18/10/02)
- Council
- West Area
- Documents
- 2 docs on file
- Reference
- P/12076/000
- More recent applications — locked
- Garage ConversionAug 2003Decision
Unlock 21 Crosthwaite Way, Slough, SL1 6ET's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 5 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Crosthwaite Way has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£643,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SL1 6ET: £545,000 (2020–2016).
Nearby sales in SL1 6ET
Versus other Crosthwaite Way homes
21 Crosthwaite Way outperforms the street on habitable rooms by a wide margin.
EPC Rating
66 (D)
Street avg 64 (D)
Floor Area
160 m²
Street avg 110 m²
CO₂ Emissions
5.8 t/year
Street avg 4.4 t/year
Habitable Rooms
8 rooms
Street avg 6 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Crosthwaite Way — bus stop.
Closest school
0.2 km
Priory School. 20 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
50.0dB

Night-time· 23:00 – 07:00
40.0dB







