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Get started8 Greenfern Avenue is a three-bedroom semi-detached house in Slough (SL1 6AQ). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1930-1949 and council tax band D. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The home occupies a cul-de-sac position. The latest certificate (January 2025) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump.
3 planning records sit against the property, 2 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. A recent sale: £492,500 in September 2025. On a £-per-square-foot basis, the last sale (£551/sq ft) was about 113% above the typical sold price in the postcode.
Recommended upgrades on file would lift this property by multiple EPC bands.
There is a planning application currently awaiting a decision.
Extension: Part single, part two storey · Side and rear of property
Construction of a proposed part single storey, part two storey side and rear extension to existing dwelling and single storey outbuilding to the rear garden.
8 Greenfern Avenue valuation sits well clear of the typical sold price in this postcode.
£488,000
Modelled from EPC, postcode comparables.
£492,500
Recorded with HM Land Registry.
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Detailed AI analysis
On years held, 8 Greenfern Avenue runs well behind the street norm.
Price per m²
£5,934
Street avg £3,687
Floor Area
83 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Westlands Avenue — bus stop.

Daytime· 07:00 – 23:00
52.6dB

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 3.30m, and an eaves height of 3m
1 more application for this property
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19 September 2025Most recent
£492,500
Median price across the last 5 sales in SL1 6AQ: £437,500 (2024–2020).
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Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.1 t/year
SL1 6ET
Closest school
0.6 km
Our Lady of Peace Catholic Primary and Nursery School. 14 schools nearby.
Night-time· 23:00 – 07:00
44.2dB