27a, Cranbourne Road, Slough, SL1 2XF
About 27a
27a is a five-bedroom detached house in Slough (SL1 2XF). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (April 2019) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in April 2015 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 79). Our model identifies extension potential, subject to local planning policy.
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. Across 2004–2020, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £530,000 is 20.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£440/sq ft) was about 64.1% above the typical sold price in the postcode. 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. Sold March 2020 for £440,000.
What this property has
Inside
- Bedrooms5
- Bathrooms2
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Loft insulation upgraded to recommended levels
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
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Planning history
27a has an approved single-storey side extension on the planning record.
2 applications on record at 27a, Cranbourne Road, Slough, SL1 2XF
- Aug 2019Garage ConversionAmendmentOutcome in report
Lawful development certificate for an existing garage conversion.
- Council
- West
- Documents
- 2 docs on file
- Reference
- P/01154/002
- More recent applications — locked
- ExtensionJan 2024Decision
Unlock 27a, Cranbourne Road, Slough, SL1 2XF'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- Every decision — granted, refused or withdrawn (2 on record)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 19 notable nearby
- The 7 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.
£530,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 16 years.
£440,000
Growth on file: 4.3% per year over 16 years.
Sales timeline
23 March 2020Most recent
£440,000
+93.0%over 15 years14 June 2004
£228,000
Median price across the last 5 sales in SL1 2XF: £250,000 (2025–2021).
Nearby sales in SL1 2XF
Versus other Cranbourne Road homes
Price per m² for 27a runs comfortably ahead of the street norm.
Price per m²
£4,731
Street avg £3,711
Floor Area
93 m²
Street avg 96 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.3 t/year
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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
0.2 km
Salt Hill Three Tuns — bus stop.
Closest school
0.4 km
Eden Girls' School, Slough. 30 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
55.0dB

Night-time· 23:00 – 07:00
46.2dB







