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Get started12 Avondale Park Gardens is a mid-terrace house in Kensington And Chelsea, London, London (W11 4PR). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (August 2021) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2008. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced London HPI: 5% per year against 0% for the wider region. Today's modelled estimate of £1,539,000 is 14% above the 2022 sale price. At 129 m² the property is well over the postcode median (86 m² across 23 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: February 2022 at £1,350,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
12 Avondale Park Gardens's carbon output runs well above what efficient homes in the postcode produce.
12 Avondale Park Gardens has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Erection of single storey rear extension.
Sale price has at least doubled since 2000.
£1,539,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 22 years.
£1,350,000
Growth on file: 5.0% per year over 22 years.
On floor area, 12 Avondale Park Gardens stands well clear of the street.
Price per m²
£10,465
Street avg £12,527
Floor Area
129 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Stoneleigh Place — bus stop.

Daytime· 07:00 – 23:00
59.9dB

Changes detected from historical EPC data
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 February 2022Most recent
£1,350,000
+63.6%over 12 years15 July 2009
£825,000
+78.6%over 9 years7 April 2000
£462,000
Median price across the last 5 sales in W11 4PR: £1,285,000 (2025–2017).
13 Avondale Park Gardens Kensington And Chelsea London
Sold Jun 2025
19 Avondale Park Gardens Kensington And Chelsea London
Sold Sept 2024
2 Avondale Park Gardens Kensington And Chelsea London
Sold Aug 2024
10 Avondale Park Gardens Kensington And Chelsea London
Sold Jul 2017
8 Avondale Park Gardens Kensington And Chelsea London
Sold Feb 2014
Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.5 t/year
W11 4NN
Closest school
0.1 km
Avondale Park Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
50.4dB
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