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Get startedFlat 3 is a two-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 6AX). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1900-1929 and council tax band G. At 104 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 91–114 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 76). The latest certificate (March 2023) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Average; while roof efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to C (score 77), a 2-band jump.
Sale prices here have outpaced London HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £1,124,000 sits 67.8% above the 2024 sale of £670,000. At 104 m² the property is well over the postcode median (67 m² across 29 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £670,000 in February 2024.
Flat 3 sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Flat 3 has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Rear extension at third floor roof level; replacement rear casement window with doors and Juliette balcony at second floor level.
Flat 3 has more than tripled in price since its earliest registered sale in 1996.
£1,124,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 28 years.
£670,000
Growth on file: 4.2% per year over 28 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Habitable Rooms for Flat 3 runs comfortably ahead of the street norm.
Price per m²
£6,442
Street avg £14,422
Floor Area
104 m²
Street avg 75 m²
Habitable Rooms
5 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chelsea Park Gardens — bus stop.

Daytime· 07:00 – 23:00
57.9dB

Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension at roof level to provide additional storey and mansard roof matching both front and rear elevations of 34 and 36 Elm Park Road
14 February 2024Most recent
£670,000
-18.8%over 9 years3 September 2014
£825,000
+283.7%over 18 years13 June 1996
£215,000
Median price across the last 5 sales in SW3 6AX: £1,100,000 (2025–2019).
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Street avg 3 rooms
CO₂ Emissions
5.5 t/year
Street avg 3.0 t/year
SW3 6AX
Closest school
0.2 km
Park Walk Primary School. 59 schools nearby.
Night-time· 23:00 – 07:00
48.5dB