21 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
About 21 Cottesbrooke Close
21 Cottesbrooke Close is a five-bedroom semi-detached house in Colnbrook, Slough, Slough (SL3 0JE). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2021) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Other recorded features include outbuildings.
At 178 m² the property is well over the postcode median (103 m² across 16 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include a garage conversion, an extension and a porch, meaningful when judging how the property has evolved. Across 2006–2022, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £461,000 is 28.1% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£188/sq ft) was about 24.7% below the postcode norm. Most recent transfer: March 2022 at £360,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- EnsuiteYes
Outside
- ParkingOff street
- OutbuildingsYes
Building
- Heating systemGas
Everything you need to know about 21 Cottesbrooke Close
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Cottesbrooke Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
21 Cottesbrooke Close has 2 separate extension applications on the council record.
3 applications on record at 21 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
- Feb 2007ExtensionFullOutcome in report
Extension: Part single, part two storey
ERECTION OF A TWO STOREY SIDE EXTENSION, PART SINGLE, PART TWO STOREY REAR EXTENSION AND SINGLE STOREY FRONT EXTENSION
- Council
- East
- Documents
- 4 docs on file
- Reference
- P/13861/000
- More recent applications — locked
- Garage ConversionJan 2010Decision
- PorchJun 2007Decision
Unlock 21 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 6 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£461,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 16 years.
£360,000
Growth on file: 1.9% per year over 16 years.
Sales timeline
7 March 2022Most recent
£360,000
+34.3%over 15 years26 March 2006
£268,000
Median price across the last 5 sales in SL3 0JE: £415,000 (2022–2016).
Nearby sales in SL3 0JE
22 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
Sold Apr 2022
£645,0009 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
Sold Mar 2022
£545,00026 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
Sold Sept 2020
£415,00017 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
Sold Dec 2017
£400,00028 Cottesbrooke Close, Colnbrook, Slough, SL3 0JE
Sold Feb 2016
£365,000
Versus other Cottesbrooke Close homes
Floor Area for 21 Cottesbrooke Close runs comfortably ahead of the street norm.
Price per m²
£2,022
Street avg £3,260
Floor Area
178 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 5.1 t/year
Everything you need to know about 21 Cottesbrooke Close
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Star & Garter — bus stop.
Closest school
0.3 km
Colnbrook Church of England Primary School. 9 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
51.0dB

Night-time· 23:00 – 07:00
46.1dB






