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Get started21 Boarlands Close is a three-bedroom end-of-terrace house in Slough (SL1 5DB). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (February 2016) shows an E (score 44), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
It hasn't traded since July 2004, a hold of 22 years that's notably long for the area. Sale prices here have outpaced Slough HPI: 12.3% per year against 0% for the wider region. Today's modelled estimate of £392,000 sits 125.3% above the 2004 sale of £174,000. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 16.2% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 03 Feb 2026
21 Boarlands Close has 2 separate extension applications on the council record.
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 5m, with a maximum height of 3.5m, and eaves height of 2.8m.
Sale price has at least doubled since 1997.
£392,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.3% per year over 7 years.
£174,000
Growth on file: 12.3% per year over 7 years.
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21 Boarlands Close is notably below the street on epc rating.
Price per m²
£2,320
Street avg £3,599
Floor Area
75 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
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
0.1 km
Boarlands Close — bus stop.

Daytime· 07:00 – 23:00
53.1dB

Changes detected from historical EPC data
Hot water efficiency decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Heating controls changed
Heating controls upgraded for better temperature management
Hot water system changed
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
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 3.5m, and eaves height of 2.8m.
20 July 2004Most recent
£174,000
+132.2%over 7 years14 April 1997
£74,950
Median price across the last 5 sales in SL1 5DB: £350,000 (2023–2015).
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CO₂ Emissions
5.7 t/year
Street avg 3.3 t/year
SL1 5HZ
Closest school
0.4 km
The Westgate School. 25 schools nearby.
Night-time· 23:00 – 07:00
43.5dB