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Get started17 Irvine Avenue is a three-bedroom semi-detached house in Harrow (HA3 8QE). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2023) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. At 79 m² it's 18.6% smaller than the typical home in the postcode (97 m² median across 20 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Today's modelled estimate of £599,000 is 13% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£623/sq ft) was about 188.8% above the typical sold price in the postcode. Most recent transfer: November 2023 at £530,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Certificate of Lawful Development (Proposed): Alterations to roof to form gable end, Rear facing dormer, 2 No. rooflights to front elevation, removal and addition of 1 No. window to side elevation
17 Irvine Avenue valuation sits well clear of the typical sold price in this postcode.
£599,000
Modelled from EPC, postcode comparables.
£530,000
Recorded with HM Land Registry.
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Detailed AI analysis
Years Held for 17 Irvine Avenue lags the street by a wide margin.
Price per m²
£6,709
Street avg £3,674
Floor Area
79 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km

Daytime· 07:00 – 23:00
49.1dB

Extension: Single storey · Rear of property
Single storey rear extension: 6.00 metres deep, 3.92 metres maximum height and 2.99 metres high to the eaves
14 November 2023Most recent
£530,000
Median price across the last 5 sales in HA3 8QE: £586,999 (2025–2018).
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Full planning history
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Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.2 t/year
HA3 8ND
Kingshill Avenue (HA3) — bus stop.
Closest school
0.3 km
Priestmead Primary School and Nursery. 43 schools nearby.
Night-time· 23:00 – 07:00
38.2dB