Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started17 Sloane Avenue is a one-bedroom detached house in Kensington And Chelsea, London, London (SW3 3JD). It has a recorded floor area of 149 m² (around 1599 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (May 2009) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). The latest certificate is from May 2009, so improvements made since then won't be reflected.
Untraded for 19 years, with the last transfer in December 2006. Sale prices here have outpaced London HPI: 13.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,868/sq ft) was about 180.2% above the typical sold price in the postcode. At 149 m² the property is well over the postcode median (64 m² across 20 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). 8 planning records sit against the property, 5 approved, 3 refused. Past consents include an annexe, an extension, a porch and a basement excavation, meaningful when judging how the property has evolved.
17 Sloane Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 17 May 2019
17 Sloane Avenue has been extended on multiple sides of the property across separate planning applications.
Change of use of existing garage to a granny annex
17 Sloane Avenue valuation sits well clear of the typical sold price in this postcode.
£3,012,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.6% per year over 4 years.
£2,987,500
Growth on file: 13.6% per year over 4 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Floor Area for 17 Sloane Avenue runs comfortably ahead of the street norm.
Price per m²
£20,106
Street avg £11,984
Floor Area
149 m²
Street avg 62 m²
Habitable Rooms
7 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
Walpole Street — bus stop.

Daytime· 07:00 – 23:00
56.8dB

Erection of timber framed, double glazed conservatory to enclose existing, lower 1st floor terrace. Modifications to be made to weatherproof existing access stair housing at side of terrace. ***WITHDRAWN***
6 more applications for this property
Join to see all planning history.
13 December 2006Most recent
£2,987,500
+75.7%over 4 years15 July 2002
£1,700,000
Median price across the last 5 sales in SW3 3JD: £1,240,000 (2025–2014).
Detailed AI analysis
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
Street avg 2 rooms
CO₂ Emissions
11.0 t/year
Street avg 2.8 t/year
SW3 3LZ
Closest school
0.2 km
St Joseph's Catholic Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
47.1dB