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Get started21 Haig Drive is a three-bedroom semi-detached house in Slough (SL1 9HA). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1996-2002 and council tax band D. Tenure is freehold. The latest certificate (February 2020) shows a C (score 71). The rating has held steady at C across 3 certificates since September 2013. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 87). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Slough HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £426,000 is 25.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 71.9% above the typical sold price in the postcode. Sold September 2020 for £340,000. Across the public record there are 4 sales, relatively high churn for a single property.
Sale price has at least doubled since 2000.
£426,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 20 years.
£340,000
Growth on file: 5.1% per year over 20 years.
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Detailed AI analysis
21 Haig Drive outperforms the street on habitable rooms by a wide margin.
Price per m²
£5,000
Street avg £3,901
Floor Area
68 m²
Street avg 63 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
0.3 km
Chalvey Grove — bus stop.

Daytime· 07:00 – 23:00
56.7dB

Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 September 2020Most recent
£340,000
+36.0%over 6 years27 January 2014
£250,000
+2.0%over 6 years6 November 2007
£245,000
+100.0%over 7 years31 March 2000
£122,500
Median price across the last 5 sales in SL1 9HA: £230,000 (2025–2022).
An AI-written breakdown of everything that matters
Detailed EPC data
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Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
2.3 t/year
Street avg 2.5 t/year
SL1 9BA
Closest school
0.4 km
Montem Academy. 25 schools nearby.
Flood risk
Very low
From the Environment Agency.
Night-time· 23:00 – 07:00
48.2dB