6 Castle Street, Slough, SL1 2AX
About 6 Castle Street
6 Castle Street is a mid-terrace house in Slough (SL1 2AX). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2021) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in February 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Average and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Held since April 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £372,000 sits 186.3% above the 2001 sale of £129,950. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 40.8% below the postcode norm.
Everything you need to know about 6 Castle Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
6 Castle Street 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
6 Castle Street valuation sits well clear of the typical sold price in this postcode.
£372,000
Modelled from EPC, postcode comparables.
£129,950
Recorded with HM Land Registry.
Sales timeline
26 April 2001Most recent
£129,950
Median price across the last 5 sales in SL1 2AX: £315,000 (2023–2015).
Versus other Castle Street homes
6 Castle Street outperforms the street on floor area by a wide margin.
Price per m²
£1,397
Street avg £2,864
Floor Area
93 m²
Street avg 84 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.1 t/year
Everything you need to know about 6 Castle Street
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
0.1 km
Red Cow Roundabout — bus stop.
Closest school
0.3 km
St Mary's Church of England Primary School. 32 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
57.3dB
Night-time· 23:00 – 07:00
49.9dB