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Get started20 Atfield Grove is a four-bedroom detached house in Windlesham (GU20 6DP). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (January 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2015. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 3.9% per year against 0% for the wider region. Today's modelled estimate of £688,000 is 33.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£493/sq ft) was about 55.1% above the typical sold price in the postcode. One planning application is currently pending a decision in 2012. 10 years since the last transfer (November 2015).
The EPC has just been inspected, so the rating reflects current condition.
Proposal: Oak T1 - located to the rear left of the property. Reason: Remove any dead wood, crossing branches or damaged limbs as required. Reduce, reshape and balance by a maximum of 10%, pruning back to suitable growing points. Thin crown by a maximum of 20% removing secondary growth only. Crown lift to provide a balanced 5m ground clearance. Approved: Y Approved Date: 10/12/2012
20 Atfield Grove valuation sits well clear of the typical sold price in this postcode.
£688,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 9 years.
£515,000
Growth on file: 3.9% per year over 9 years.
20 Atfield Grove outperforms the street on co₂ emissions by a wide margin.
Price per m²
£5,309
Street avg £4,708
Floor Area
97 m²
Street avg 107 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cooper Road — bus stop.

Daytime· 07:00 – 23:00
51.9dB

Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 November 2015Most recent
£515,000
+41.1%over 9 years19 October 2006
£365,000
Median price across the last 5 sales in GU20 6DP: £643,750 (2025–2020).
CO₂ Emissions
3.4 t/year
Street avg 4.9 t/year
GU20 6EX
Closest school
1.3 km
Windlesham Village Infant School. 8 schools nearby.
Night-time· 23:00 – 07:00
44.2dB
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