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Get started277 Headstone Lane is a three-bedroom semi-detached house in Harrow (HA3 6PG). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced Harrow HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £529,000 is 19.7% above the 2021 sale price. At 122 m² the property is well over the postcode median (83 m² across 18 EPCs), placing it in the larger end of the local stock. Most recent transfer: April 2021 at £442,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
277 Headstone Lane has more than quadrupled in price since its earliest registered sale in 1999.
£529,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 22 years.
£442,000
Growth on file: 7.9% per year over 22 years.
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Floor Area for 277 Headstone Lane runs comfortably ahead of the street norm.
Price per m²
£3,623
Street avg £3,918
Floor Area
122 m²
Street avg 86 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Mullion Close — bus stop.

Daytime· 07:00 – 23:00
52.2dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
7 April 2021Most recent
£442,000
+45.6%over 11 years5 February 2010
£303,500
+257.1%over 10 years14 July 1999
£85,000
Median price across the last 5 sales in HA3 6PG: £405,000 (2025–2017).
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Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.8 t/year
HA3 6DS
Closest school
0.1 km
Hatch End High School. 28 schools nearby.
Night-time· 23:00 – 07:00
42.2dB