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Get started12 Alder Close is a two-bedroom semi-detached house in Slough (SL1 5DQ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1991-1995 and council tax band C. At 49 m² this is the 17th smallest of 32 units on EPC record in the building, where floor areas span 41–108 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (April 2021) shows a C (score 74). The rating has held steady at C across 2 certificates since March 2011. Between certificates, window efficiency went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
It hasn't traded since April 2004, a hold of 22 years that's notably long for the area. Today's modelled estimate of £224,000 sits 65.9% above the 2004 sale of £135,000.
12 Alder Close valuation sits well clear of the typical sold price in this postcode.
£224,000
Modelled from EPC, postcode comparables.
£135,000
Recorded with HM Land Registry.
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Detailed AI analysis
12 Alder Close outperforms the street on years held by a wide margin.
Price per m²
£2,755
Street avg £4,070
Floor Area
49 m²
Street avg 52 m²
Habitable Rooms
3 rooms
Street avg 3 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
Lower Cippenham La — bus stop.

Daytime· 07:00 – 23:00
52.9dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 April 2004Most recent
£135,000
Median price across the last 5 sales in SL1 5DQ: £337,000 (2025–2023).
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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
1.6 t/year
Street avg 2.1 t/year
SL1 5DQ
Closest school
0.4 km
Western House Academy. 25 schools nearby.
Night-time· 23:00 – 07:00
43.4dB