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Get started4 Annette Close is a two-bedroom detached house in Harrow (HA3 7BG). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1983-1990 and council tax band C. At 57 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 41–71 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2019) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since October 2009. Between certificates, roof efficiency dropped from Good to Average.
It hasn't traded since August 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Harrow HPI: 10% per year against 0% for the wider region. Today's modelled estimate of £292,000 sits 68.8% above the 2008 sale of £173,000. One historical planning record sits against the property in 2004.
Certificate of lawful proposed development: erection of 2 flats in accordance with planning permission lbh/1374/5 & /5
Sale price has at least doubled since 1997.
£292,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.0% per year over 11 years.
£173,000
Growth on file: 10.0% per year over 11 years.
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Detailed AI analysis
On price per m², 4 Annette Close runs well behind the street norm.
Price per m²
£3,035
Street avg £4,544
Floor Area
57 m²
Street avg 54 m²
Habitable Rooms
3 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
Salvatorian College / St Joseph's Ch — bus stop.

Daytime· 07:00 – 23:00
52.1dB

Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
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3 August 2008Most recent
£173,000
+190.8%over 11 years11 June 1997
£59,500
Median price across the last 5 sales in HA3 7BG: £300,000 (2021–2008).
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Street avg 3 rooms
CO₂ Emissions
1.7 t/year
Street avg 1.9 t/year
HA3 7JG
Closest school
0.2 km
The Sacred Heart Language College. 34 schools nearby.
Night-time· 23:00 – 07:00
40.8dB