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Get startedHarford House is a three-bedroom mid-terrace house in Westminster, London, London (W11 1AZ). It has a recorded floor area of 86 m² (around 926 sq ft) and construction records dating it to 1976-1982. At 86 m² this is the 16th smallest of 21 units on EPC record in Harford House, where floor areas span 63–114 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2025) shows a C (score 71). When first surveyed in August 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and lighting went from Good to Very Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average.
Sale prices here have outpaced London HPI: 5.3% per year against 0% for the wider region. Today's modelled estimate of £609,000 sits 71.5% above the 2012 sale of £355,000. On a £-per-square-foot basis, the last sale (£383/sq ft) was about 30.8% above the typical sold price in the postcode. Last changed hands 14 years ago, in September 2012.
Harford House valuation sits well clear of the typical sold price in this postcode.
£609,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 9 years.
£355,000
Growth on file: 5.3% per year over 9 years.
Habitable Rooms for Harford House runs comfortably ahead of the street norm.
Price per m²
£4,128
Street avg £5,056
Floor Area
86 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Westbourne Park Underground Station — subway entrance.

Daytime· 07:00 – 23:00
60.4dB

Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 September 2012Most recent
£355,000
+58.5%over 8 years25 September 2003
£224,000
Median price across the last 5 sales in W11 1AZ: £550,000 (2023–2017).
Harford House Flat 71 35 Tavistock Crescent Westminster London
Sold Jan 2023
Harford House Flat 62 35 Tavistock Crescent Westminster London
Sold Nov 2021
Harford House Flat 104 35 Tavistock Crescent Westminster London
Sold Dec 2020
Harford House Flat 81 35 Tavistock Crescent Westminster London
Sold Oct 2018
Harford House Flat 80 35 Tavistock Crescent Westminster London
Sold Feb 2017
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.5 t/year
W11 1JB
Closest school
0.4 km
Bevington Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
51.0dB
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