13 Castle Street, Slough, SL1 2AX
About 13 Castle Street
13 Castle Street is an end-of-terrace house in Slough (SL1 2AX). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2022) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2011. Between certificates, roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 80).
Last changed hands 11 years ago, in June 2015. Across the public record there are 7 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2015, sale prices on this property compounded at 8% per year. Today's modelled estimate of £376,000 is 46.9% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£267/sq ft) was about 19.8% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 18 May 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 13 Castle Street, Slough, SL1 2AX
- Aug 2005ExtensionFullOutcome in report
Extension: Single storey · Side of property
ERECTION OF A SINGLE STOREY SIDE EXTENSION WITH A PITCHED ROOF
- Council
- East
- Documents
- 2 docs on file
- Reference
- P/13304/000
- More recent applications — locked
- Loft ConversionOct 2007Decision
Unlock 13 Castle Street, Slough, SL1 2AX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 18 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Price for 13 Castle Street has grown more than fourfold since the 1997 starting point.
£376,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 18 years.
£256,000
Growth on file: 8.0% per year over 18 years.
Sales timeline
17 June 2015Most recent
£256,000
+21.9%over 10 years21 April 2005
£209,950
+2.4%22 December 2004
£205,000
+7.9%over 2 years6 December 2002
£189,950
+15.1%over 1 year31 October 2001
£165,000
+22.2%over 11 months8 December 2000
£135,000
+110.9%over 3 years7 July 1997
£64,000
Median price across the last 5 sales in SL1 2AX: £325,000 (2026–2017).
Versus other Castle Street homes
13 Castle Street is notably below the street on co₂ emissions.
Price per m²
£2,876
Street avg £3,065
Floor Area
89 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.0 t/year
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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
0.1 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







