23a, Flat 3, Upton Park, Slough, SL1 2DA
About 23a
23a is a mid-terrace house in Slough (SL1 2DA). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1996-2002 and council tax band C. At 38 m² this is the 4th smallest of 6 units on EPC record in 23a, where floor areas span 22–109 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2023) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (June 2013); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.
Everything you need to know about 23a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
23a has no planning applications on record.
But the area is active
19 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
23a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£168,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SL1 2DA: £184,950 (2025–2024).
Nearby sales in SL1 2DA
Windsor House, Flat 3, 33 Upton Park, Slough, SL1 2DA
Sold Feb 2025
£199,950Windsor House, Flat 8, 33 Upton Park, Slough, SL1 2DA
Sold Feb 2025
£167,500Flat 6, 37 Upton Park, Slough, SL1 2DA
Sold Nov 2024
£199,950Stoke House, Flat 6, 23 Upton Park, Slough, SL1 2DA
Sold Nov 2024
£100,000Flat 5, 17 Upton Park, Slough, SL1 2DA
Sold Nov 2024
£184,950
Versus other Upton Park homes
23a outperforms the street on epc rating by a wide margin.
EPC Rating
75 (C)
Street avg 67 (D)
Floor Area
38 m²
Street avg 44 m²
CO₂ Emissions
1.7 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 23a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Albert Street — bus stop.
Closest school
0.5 km
Slough and Eton Church of England Business and Enterprise College. 33 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
58.4dB
Night-time· 23:00 – 07:00
50.9dB