20 Aintree Close, Colnbrook, Slough, SL3 0QF
About 20 Aintree Close
20 Aintree Close is a two-bedroom semi-detached house in Colnbrook, Slough, Slough (SL3 0QF). It has a recorded floor area of 154 m² (around 1658 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (April 2026) shows a C (score 77), near the top of the C band. When first surveyed in November 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 16 years, with the last transfer in February 2010. At 154 m² the property is well over the postcode median (77 m² across 18 EPCs), placing it in the larger end of the local stock. Across 2002–2010, sale prices on this property compounded at 19.4% per year. Today's modelled estimate of £591,000 sits 55.5% above the 2010 sale of £380,000. 5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms2
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 27 April 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
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Planning history
20 Aintree Close has been through 4 approved planning applications — a well-evolved property.
5 applications on record at 20 Aintree Close, Colnbrook, Slough, SL3 0QF
- Oct 2006Garage ConversionFullOutcome in report
CONVERSION OF GARAGE INTO A HABITABLE ROOM (RETROSPECTIVE).
- Council
- East
Retrospective- Documents
- 2 docs on file
- Reference
- P/13750/000
- More recent applications — locked
- AmendmentApr 2024Decision
- ExtensionSept 2022Decision
+ 2 more applications in the report
Unlock 20 Aintree Close, Colnbrook, Slough, SL3 0QF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 5 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Aintree Close has more than tripled in price since its earliest registered sale in 2002.
£591,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.4% per year over 8 years.
£380,000
Growth on file: 19.4% per year over 8 years.
Sales timeline
15 February 2010Most recent
£380,000
+7.0%over 3 years11 May 2006
£355,000
+255.0%over 3 years31 July 2002
£100,000
Median price across the last 5 sales in SL3 0QF: £413,000 (2023–2018).
Nearby sales in SL3 0QF
7 Aintree Close, Colnbrook, Slough, SL3 0QF
Sold Apr 2023
£520,00024 Aintree Close, Colnbrook, Slough, SL3 0QF
Sold Sept 2021
£413,0003 Aintree Close, Colnbrook, Slough, SL3 0QF
Sold Nov 2018
£360,00016 Aintree Close, Colnbrook, Slough, SL3 0QF
Sold Mar 2018
£325,0008 Aintree Close, Colnbrook, Slough, SL3 0QF
Sold Jul 2015
£250,000
Versus other Aintree Close homes
On epc rating, 20 Aintree Close stands well clear of the street.
Price per m²
£2,468
Street avg £3,165
Floor Area
154 m²
Street avg 89 m²
Habitable Rooms
8 rooms
Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.2 t/year
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The neighbourhood at a glance
Crime
298/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Coleridge Crescent West — bus stop.
Closest school
0.5 km
Colnbrook Church of England Primary School. 7 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
47.9dB







