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Get started10 Winchfield Close is a detached house in Harrow (HA3 0DT). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (February 2026) shows a C (score 71). When first surveyed in October 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £818,000 sits 66.9% above the 2012 sale of £490,000. On a £-per-square-foot basis, the last sale (£323/sq ft) was about 23.6% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. On the market in December 2012 and unlisted since — roughly 13 years.
10 Winchfield Close ranks among the most efficient homes in the postcode for energy use.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Retrospective application for the replacement of roof tiles to dwellinghouse (Article 4)
10 Winchfield Close valuation sits well clear of the typical sold price in this postcode.
£818,000
Modelled from EPC, postcode comparables.
£490,000
Recorded with HM Land Registry.
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On epc rating, 10 Winchfield Close stands well clear of the street.
Price per m²
£3,475
Street avg £4,694
Floor Area
141 m²
Street avg 139 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Sedgemore Avenue — bus stop.

Daytime· 07:00 – 23:00
51.5dB

Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Solar water heating installed
Heating controls upgraded for better temperature management
Hot water system changed
Wall insulation improved
Loft insulation upgraded to recommended levels
Solar PV added
Are we missing something? Tell us about home improvements to help adjust your valuation.
Non-material amendment (to allow the increase in size of the approved rooflight over the rear extension) of full planning permission reference 15/5265 dated 12/01/2016 for Demolition of existing garage, side and rear extension and erection of a single storey side and rear extension to dwellinghouse
1 more application for this property
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7 December 2012Most recent
£490,000
Median price across the last 5 sales in HA3 0DT: £785,000 (2025–2020).
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Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 7.9 t/year
HA3 0NQ
Closest school
0.2 km
St Gregory's Catholic Science College. 50 schools nearby.
Night-time· 23:00 – 07:00
41.3dB