4 Castle Avenue, Datchet, Slough, SL3 9BA
About 4 Castle Avenue
4 Castle Avenue is a three-bedroom detached house in Datchet, Slough, Slough (SL3 9BA). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2022) shows a D (score 55), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.
3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£638/sq ft) was about 97.1% above the typical sold price in the postcode. At 91 m² it's 24.5% smaller than the typical home in the postcode (121 m² median across 10 EPCs). Most recent transfer: December 2022 at £625,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- GarageYes
- LandYes
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
A recent planning application at 4 Castle Avenue was refused — worth checking the council file.
3 applications on record at 4 Castle Avenue, Datchet, Slough, SL3 9BA
- Dec 2023ExtensionFullOutcome in report
Extension: Single storey
Single storey front extension, single storey rear extension, partial garage conversion, 1no. side dormer, enlargement and alterations of existing front and rear dormers and alterations to fenestration (retrospective).
Retrospective- Documents
- 20 docs on file
- Reference
- 23/02493/FULL
- More recent applications — locked
- ExtensionNov 2025Decision
- ExtensionJun 2025Decision
Unlock 4 Castle Avenue, Datchet, Slough, SL3 9BA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full
- The 47 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£654,000
Modelled from EPC, postcode comparables.
£625,000
Recorded with HM Land Registry.
Sales timeline
9 December 2022Most recent
£625,000
Median price across the last 5 sales in SL3 9BA: £650,000 (2024–2020).
Nearby sales in SL3 9BA
10 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Dec 2024
£650,0008 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Sept 2023
£650,0005 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Sept 2022
£625,00021 Castle Avenue, Datchet, Slough, SL3 9BA
Sold May 2022
£1,085,00012 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Sept 2020
£520,000
Versus other Castle Avenue homes
On price per m², 4 Castle Avenue stands well clear of the street.
Price per m²
£6,868
Street avg £4,585
Floor Area
91 m²
Street avg 126 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 6.1 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Slough Road — bus stop.
Closest school
0.8 km
Churchmead Church of England (VA) School. 23 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
58.0dB

Night-time· 23:00 – 07:00
52.5dB







