15 Ash Close, Slough, SL3 8EG
About 15 Ash Close
15 Ash Close is a three-bedroom mid-terrace house in Slough (SL3 8EG). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (March 2020) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 87), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
A recent sale: £385,000 in June 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1996–2025, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £446,000 is 15.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£511/sq ft) was about 71.4% above the typical sold price in the postcode. At 70 m² it's 23.1% smaller than the typical home in the postcode (91 m² median across 8 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenRear
- GarageEn bloc
Building
- Extension potentialPossible
Everything you need to know about 15 Ash Close
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
15 Ash Close has 2 separate extension applications on the council record.
2 applications on record at 15 Ash Close, Slough, SL3 8EG
- Aug 2025ExtensionOutlineOutcome 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 6.0m, with a maximum height of 3.40m, and an eaves height of 2.45m
- Documents
- 2 docs on file
- Reference
- Y/20865/000
- More recent applications — locked
- ExtensionNov 2025Decision
Unlock 15 Ash Close, Slough, SL3 8EG'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 11 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 15 Ash Close has grown more than fourfold since the 1996 starting point.
£446,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 29 years.
£385,000
Growth on file: 5.9% per year over 29 years.
Sales timeline
5 June 2025Most recent
£385,000
+83.3%over 14 years2 August 2010
£210,000
+46.9%over 8 years12 June 2002
£143,000
+11.7%over 1 year9 May 2001
£128,000
+70.8%over 4 years1 November 1996
£74,950
Median price across the last 5 sales in SL3 8EG: £463,000 (2025–2019).
Versus other Ash Close homes
Price per m² for 15 Ash Close runs comfortably ahead of the street norm.
Price per m²
£5,500
Street avg £4,537
Floor Area
70 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.3 t/year
Everything you need to know about 15 Ash Close
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Langley Leisure Centre — bus stop.
Closest school
0.2 km
The Langley Heritage Primary. 17 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
50.6dB

Night-time· 23:00 – 07:00
41.7dB






