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Get startedHereford House is a two-bedroom semi-detached house in Kensington And Chelsea, London, London (SW3 1LU). It has a recorded floor area of 71 m² (around 764 sq ft) and construction records dating it to 1967-1975. The latest certificate (June 2021) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 71 m² this is the 13th smallest of 16 units on EPC record in Hereford House, where floor areas span 49–118 m². The building's EPC ratings span E to C across 16 units on file.
It hasn't traded since May 2011, a hold of 15 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Sale prices here have outpaced London HPI: 9.1% per year against 0% for the wider region. Today's modelled estimate of £868,000 is 15.7% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£981/sq ft) was about 90.7% above the typical sold price in the postcode.
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has at least doubled since 2001.
£868,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 10 years.
£750,000
Growth on file: 9.1% per year over 10 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Hereford House outperforms the street on floor area by a wide margin.
Price per m²
£10,563
Street avg £10,204
Floor Area
71 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Brompton Square — bus stop.

Daytime· 07:00 – 23:00
58.9dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
27 May 2011Most recent
£750,000
+66.7%over 7 years2 March 2004
£450,000
+18.4%over 1 year25 March 2002
£380,000
+20.6%over 10 months8 June 2001
£315,000
Median price across the last 5 sales in SW3 1LU: £1,000,000 (2025–2014).
Hereford House Flat 5 11 Ovington Gardens Kensington And Chelsea London
Sold Apr 2025
Hereford House Flat 1 11 Ovington Gardens Kensington And Chelsea London
Sold Nov 2023
Hereford House Flat 10 11 Ovington Gardens Kensington And Chelsea London
Sold Jun 2021
Hereford House Flat 3 11 Ovington Gardens Kensington And Chelsea London
Sold Nov 2014
Hereford House Flat 16 11 Ovington Gardens Kensington And Chelsea London
Sold Nov 2014
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Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.1 t/year
SW3 1RT
Closest school
0.6 km
Marlborough Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
49.0dB