15 Gloucester Avenue, Slough, SL1 3AW
About 15 Gloucester Avenue
15 Gloucester Avenue is a semi-detached house in Slough (SL1 3AW). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2016) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from July 2016, so improvements made since then won't be reflected.
4 planning records sit against the property, 3 approved, 0 refused, 1 pending. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Across 1998–2017, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £470,000 is 17.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£422/sq ft) was about 119.7% above the typical sold price in the postcode. 9 years since the last transfer (March 2017).
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Jul 2026
EPC Rating
Certificate validity
Expired on 26 July 2026
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Planning history
15 Gloucester Avenue has been extended on multiple sides of the property across separate planning applications.
4 applications on record at 15 Gloucester Avenue, Slough, SL1 3AW
- Aug 2022ExtensionOutlineOutcome 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 6m, with a maximum height of 3m, and an eaves height of 2.4m
- Documents
- 2 docs on file
- Reference
- Y/19985/000
- More recent applications — locked
- ExtensionSept 2024Decision
- ExtensionMar 2023Decision
+ 1 more application in the report
Unlock 15 Gloucester Avenue, Slough, SL1 3AW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 4 applications on this property in full, plus 16 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 1998.
£470,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 18 years.
£400,000
Growth on file: 7.5% per year over 18 years.
Sales timeline
15 March 2017Most recent
£400,000
+275.6%over 18 years18 October 1998
£106,500
Median price across the last 5 sales in SL1 3AW: £202,000 (2021–2007).
Nearby sales in SL1 3AW
Versus other Gloucester Avenue homes
On floor area, 15 Gloucester Avenue runs well behind the street norm.
Price per m²
£4,545
Street avg £2,514
Floor Area
88 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 5.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
656/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Farnham Road PO — bus stop.
Closest school
0.2 km
Phoenix Infant Academy. 31 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
40.2dB







