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Get started17 Astell Street is an end-of-terrace house in Kensington And Chelsea, London, London (SW3 3RT). It has a recorded floor area of 267 m² (around 2874 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (December 2018) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 75).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
17 Astell Street's carbon output runs well above what efficient homes in the postcode produce.
Council records include a two-storey rear extension at 17 Astell Street.
Installation of air conditioning unit on roof of single family house
17 Astell Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£5,534,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
On co₂ emissions, 17 Astell Street runs well behind the street norm.
EPC Rating
58 (D)
Street avg 63 (D)
Floor Area
267 m²
Street avg 259 m²
CO₂ Emissions
10.0 t/year
Street avg 8.6 t/year
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Chelsea Old Town Hall — bus stop.

Daytime· 07:00 – 23:00
56.7dB

Extension: Two storey · Rear of property
Erection of a second floor rear extension.
Median price across the last 5 sales in SW3 3RT: £5,650,000 (2025–2019).
9 Astell Street Kensington And Chelsea London
Sold May 2025
15 Astell Street Kensington And Chelsea London
Sold May 2025
23 Astell Street Kensington And Chelsea London
Sold Jun 2022
29 Astell Street Kensington And Chelsea London
Sold Sept 2021
31 Astell Street Kensington And Chelsea London
Sold Jul 2019
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Habitable Rooms
7 rooms
Street avg 8 rooms
SW3 3RT
Closest school
0.2 km
Oratory Roman Catholic Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
46.6dB