Flat 21, 26 High Street, Slough, SL1 1EP
About Flat 21
Flat 21 is a one-bedroom mid-terrace house in Slough (SL1 1EP). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (October 2020) returns a high B (score 85), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since March 2009. Between certificates, lighting went from Poor to Good and main heating went from Poor to Average. Main heating runs on electricity. At 47 m² this is the 21st smallest of 81 units on EPC record in the building, where floor areas span 37–89 m². The building's EPC ratings span D to B, with this unit at the top. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony.
Across 2007–2016, sale prices on this property compounded at 1.7% per year. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 25.5% above the typical sold price in the postcode. On the market in November 2016 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- ParkingYes
- BalconyYes
Building
- Underfloor heatingYes
- LiftYes
- ConciergeYes
Everything you need to know about Flat 21
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Flat 21's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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
Flat 21 has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£191,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.7% per year over 9 years.
£200,000
Growth on file: 1.7% per year over 9 years.
Sales timeline
25 November 2016Most recent
£200,000
+17.7%over 9 years13 June 2007
£169,995
Median price across the last 5 sales in SL1 1EP: £212,000 (2023–2021).
Nearby sales in SL1 1EP
Flat 50, 26 High Street, Slough, SL1 1EP
Sold Aug 2023
£250,000Flat 48, 26 High Street, Slough, SL1 1EP
Sold Mar 2022
£178,000Flat 3, 26 High Street, Slough, SL1 1EP
Sold Oct 2021
£160,000Flat 2, 26 High Street, Slough, SL1 1EP
Sold Sept 2021
£262,500Flat 75, 26 High Street, Slough, SL1 1EP
Sold Sept 2021
£212,000
Versus other High Street homes
Flat 21 outperforms the street on price per m² by a wide margin.
Price per m²
£4,255
Street avg £3,464
Floor Area
47 m²
Street avg 57 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.7 t/year
Everything you need to know about Flat 21
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

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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
0.1 km
Wellington Street Stop Y — bus stop.
Closest school
0.7 km
Slough and Eton Church of England Business and Enterprise College. 31 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
53.8dB

Night-time· 23:00 – 07:00
44.5dB






