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Get startedHarford House is a 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 (October 2025) shows a C (score 70). When first surveyed in November 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Poor to Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average.
Today's modelled estimate of £769,000 is 34.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£616/sq ft) was about 113.9% above the typical sold price in the postcode. Most recent transfer: November 2021 at £570,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£769,000
Modelled from EPC, postcode comparables.
£570,000
Recorded with HM Land Registry.
Years Held for Harford House lags the street by a wide margin.
Price per m²
£6,628
Street avg £4,829
Floor Area
86 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 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 improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 November 2021Most recent
£570,000
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 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
Harford House Flat 90 35 Tavistock Crescent Westminster London
Sold Jan 2017
CO₂ Emissions
2.7 t/year
Street avg 2.5 t/year
W11 1JD
Closest school
0.4 km
Bevington Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
51.0dB
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