23a, Flat 5, Upton Park, Slough, SL1 2DA
About 23a
23a is a mid-terrace house in Slough (SL1 2DA). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1991-1995 and council tax band C. At 39 m² this is the 5th 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. On EPC score it ranks first in the building (76 versus a worst of 45). The latest certificate (March 2021) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since January 2011. Between certificates, lighting went from Average to Good and main heating went from Poor to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity.
Energy performance
EPC Rating
Certificate validity
Valid until 4 March 2031
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
18 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.
£189,000
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: £186,000 (2026–2024).
Nearby sales in SL1 2DA
Stoke House, Flat 3, 23 Upton Park, Slough, SL1 2DA
Sold Mar 2026
£186,000Flat 5, 43 Upton Park, Slough, SL1 2DA
Sold Jan 2026
£141,300Windsor 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
£199,950
Versus other Upton Park homes
EPC Rating for 23a runs comfortably ahead of the street norm.
EPC Rating
76 (C)
Street avg 67 (D)
Floor Area
39 m²
Street avg 44 m²
CO₂ Emissions
2.0 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
19a, Flat 3, Upton Park
SL1 2DA
19a, Flat 5, Upton Park
SL1 2DA
19a, Flat 2, Upton Park
SL1 2DA
19a, Flat 4, Upton Park
SL1 2DA
19a, Flat 1, Upton Park
SL1 2DA
3 Burlington Court, Flat 2, Burlington Road
SL1 2JS
19a, Flat 6, Upton Park
SL1 2DA
3 Burlington Court, Flat 5, Burlington Road
SL1 2JS
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
656/mo
Falling 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







