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Get started30 Harp Island Close is a one-bedroom mid-terrace house in Brent, London, London (NW10 0DF). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (April 2025) shows a C (score 75), near the top of the C band. When first surveyed in April 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Good and window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. Main heating runs on electricity. At 34 m² this is the 5th smallest of 51 units on EPC record in the building, where floor areas span 16–60 m². The building's EPC ratings span E to B across 51 units on file. Other recorded features include notable views.
Sale prices here have outpaced London HPI: 5.9% per year against -0.1% for the wider region. On a £-per-square-foot basis, the last sale (£587/sq ft) was about 102% above the typical sold price in the postcode. Most recent transfer was September 2025 at £215,000 — fresh data. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
30 Harp Island Close's carbon output is low for the local stock.
Price for 30 Harp Island Close has grown more than fourfold since the 1997 starting point.
£215,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 28 years.
£215,000
Growth on file: 5.9% per year over 28 years.
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Detailed AI analysis
30 Harp Island Close is notably below the street on years held.
Price per m²
£6,324
Street avg £3,814
Floor Area
34 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Quainton Street — bus stop.

Daytime· 07:00 – 23:00
54.8dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Single glazing replaced with double or better glazing
Wall insulation upgraded
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 September 2025Most recent
£215,000
+141.6%over 24 years28 September 2001
£89,000
+109.4%over 4 years11 April 1997
£42,500
Median price across the last 5 sales in NW10 0DF: £220,000 (2025–2023).
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Street avg 2 rooms
CO₂ Emissions
1.2 t/year
Street avg 2.3 t/year
NW10 0DY
Closest school
0.5 km
Wykeham Primary School. 53 schools nearby.
Flood risk
Medium
From the Environment Agency.
Night-time· 23:00 – 07:00
47.3dB