218a, Windsor Lane, Burnham, Slough, SL1 7HN
About 218a
218a is a three-bedroom detached house in Burnham, Slough, Slough (SL1 7HN). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2013) shows a C (score 71). The recommended improvements would push it to B (score 85). The latest certificate is from June 2013, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
At 110 m² the property is well over the postcode median (83 m² across 12 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Today's modelled estimate of £861,000 sits 56.5% above the 2014 sale of £550,000. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 78.5% above the typical sold price in the postcode. On the market in January 2014 and unlisted since — roughly 13 years. 2 planning records sit against the property, 0 approved, 0 refused.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenYes
- GarageDouble
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
218a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jun 2023
EPC Rating
Certificate validity
Expired on 11 June 2023
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Planning history
2 applications on record at 218a, Windsor Lane, Burnham, Slough, SL1 7HN
- Oct 2010ExtensionFullOutcome in report
Extension: Single storey · Front of property
Reinstatement of fire damaged roof with an altered pitch and single storey front extension
- Documents
- 6 docs on file
- Reference
- 10/01401/FUL
- More recent applications — locked
- PorchSept 2014Decision
Unlock 218a, Windsor Lane, Burnham, Slough, SL1 7HN'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- Every decision — granted, refused or withdrawn (2 on record)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 2 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
218a valuation sits well clear of the typical sold price in this postcode.
£861,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
Sales timeline
7 January 2014Most recent
£550,000
Median price across the last 5 sales in SL1 7HN: £675,000 (2025–2015).
Nearby sales in SL1 7HN
230 Windsor Lane, Burnham, Slough, SL1 7HN
Sold Jun 2025
£1,032,500224 Windsor Lane, Burnham, Slough, SL1 7HN
Sold Apr 2021
£875,000216a, Windsor Lane, Burnham, Slough, SL1 7HN
Sold Feb 2021
£275,000Flat 1, 238 Windsor Lane, Burnham, Slough, SL1 7HN
Sold Jan 2021
£496,000228 Windsor Lane, Burnham, Slough, SL1 7HN
Sold Aug 2015
£675,000
Versus other Windsor Lane homes
218a outperforms the street on epc rating by a wide margin.
Price per m²
£5,000
Street avg £4,502
Floor Area
110 m²
Street avg 165 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
3.3 t/year
Street avg 7.4 t/year
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The neighbourhood at a glance
Crime
656/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Grammar School — bus stop.
Closest school
0.3 km
Burnham Grammar School. 14 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
50.1dB

Night-time· 23:00 – 07:00
38.7dB







