8 Castle Avenue, Datchet, Slough, SL3 9BA
About 8 Castle Avenue
8 Castle Avenue is a three-bedroom detached house in Datchet, Slough, Slough (SL3 9BA). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2016) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
One planning record on file: a loft conversion approved in 2021. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2017–2023, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£604/sq ft) was about 93.9% above the typical sold price in the postcode. At 100 m² it's 17% smaller than the typical home in the postcode (121 m² median across 10 EPCs). Last sale on file: £650,000 in September 2023.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
8 Castle Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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Planning history
1 application on record at 8 Castle Avenue, Datchet, Slough, SL3 9BA
- May 2021Loft ConversionOutlineOutcome in report
Certificate of lawfulness to determine whether the proposed side dormer to facilitate additional habitable accommodation in loft space is lawful.
- Documents
- 8 docs on file
- Reference
- 21/00867/CPD
Unlock 8 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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
8 Castle Avenue valuation sits well clear of the typical sold price in this postcode.
£676,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 6 years.
£650,000
Growth on file: 5.6% per year over 6 years.
Sales timeline
24 September 2023Most recent
£650,000
+41.3%over 6 years17 May 2017
£460,000
Median price across the last 5 sales in SL3 9BA: £625,000 (2024–2020).
Nearby sales in SL3 9BA
10 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Dec 2024
£650,0004 Castle Avenue, Datchet, Slough, SL3 9BA
Sold Dec 2022
£625,0005 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
EPC Rating for 8 Castle Avenue lags the street by a wide margin.
Price per m²
£6,500
Street avg £4,626
Floor Area
100 m²
Street avg 125 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 5.9 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







