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Get started10 Astall Close is a semi-detached house in Harrow (HA3 5LF). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (March 2017) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since November 2010. Between certificates, wall efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. At 47 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 44–49 m².
Sale prices here have outpaced Harrow HPI: 9.2% per year against 0% for the wider region. Today's modelled estimate of £241,000 is 11.7% below the 2017 sale of £273,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£540/sq ft) was about 114.8% above the typical sold price in the postcode. 9 years since the last transfer (August 2017).
10 Astall Close's carbon output is low for the local stock.
Latest sale on 10 Astall Close was the highest on Land Registry record across the postcode.
£241,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.2% per year over 21 years.
£273,000
Growth on file: 9.2% per year over 21 years.
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Detailed AI analysis
On price per m², 10 Astall Close stands well clear of the street.
Price per m²
£5,809
Street avg £4,183
Floor Area
47 m²
Street avg 47 m²
Habitable Rooms
3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Long Elmes / Aspri Medical Centre — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation upgraded
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 August 2017Most recent
£273,000
+102.2%over 6 years14 January 2011
£135,000
+229.3%over 14 years8 March 1996
£41,000
Median price across the last 5 sales in HA3 5LF: £180,000 (2024–2002).
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Street avg 2 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.5 t/year
Closest school
0.4 km
Salvatorian Roman Catholic College. 30 schools nearby.
Night-time· 23:00 – 07:00
41.0dB