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Get started6 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.
Recommended upgrades on file would lift this property by multiple EPC bands.
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.
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Detailed AI analysis
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
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.

Daytime· 07:00 – 23:00
57.3dB

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
Are we missing something? Tell us about home improvements to help adjust your valuation.
27 April 2001Most recent
£129,950
Median price across the last 5 sales in SL1 2AX: £315,000 (2023–2015).
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Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.1 t/year
SL1 2YJ
Closest school
0.3 km
St Mary's Church of England Primary School. 32 schools nearby.
Night-time· 23:00 – 07:00
49.9dB