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Get started21 Blumfield Crescent is a four-bedroom semi-detached house in Slough (SL1 6NL). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (June 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2014. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump.
Sale prices here have outpaced Slough HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £558,000 sits 66.6% above the 2014 sale of £335,000. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 17.9% below the postcode norm. One planning record on file: an extension approved in 2025. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 118 m² it's 20.4% larger than the typical home in the postcode (98 m² median across 29 EPCs). Last changed hands 12 years ago, in November 2014.
Recommended upgrades on file would lift this property by multiple EPC bands.
Construction of a front porch extension, part single storey side extension, with an infill rear extension
Sale price has grown by over 3x since 1996.
£558,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 18 years.
£335,000
Growth on file: 6.8% per year over 18 years.
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On habitable rooms, 21 Blumfield Crescent stands well clear of the street.
Price per m²
£2,839
Street avg £3,736
Floor Area
118 m²
Street avg 103 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Littlebrook Avenue — bus stop.

Daytime· 07:00 – 23:00
49.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 November 2014Most recent
£335,000
+104.3%over 13 years15 December 2000
£164,000
+60.0%over 3 years17 December 1996
£102,500
Median price across the last 5 sales in SL1 6NL: £505,000 (2025–2023).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.8 t/year
SL1 6JH
Closest school
0.5 km
Burnham Grammar School. 20 schools nearby.
Night-time· 23:00 – 07:00
38.9dB