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Get startedBasil Mansions, Flat 18, Basil Street, Kensington And Chelsea, London, SW3 1AP
1 planning record
About Basil Mansions
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Basil Mansions is a three-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 1AP). It has a recorded floor area of 232 m² (around 2497 sq ft), construction records dating it to before 1900 and council tax band H. At 232 m² this is the 17th smallest of 22 units on EPC record in Basil Mansions, where floor areas span 20–245 m². The building's EPC ratings span F to B across 22 units on file. Other recorded features include a balcony. Period features are noted in the property record. The latest certificate (October 2018) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
One planning record on file: new windows approved in 2020. Past consents include new windows, meaningful when judging how the property has evolved. At 232 m² it's 27.5% larger than the typical home in the postcode (182 m² median across 21 EPCs). On a £-per-square-foot basis, the last sale (£1,802/sq ft) was about 106.9% above the typical sold price in the postcode. Last sale on file: £4,500,000 in June 2019.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms3
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Basil Mansions's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
A
B
C
D
D62
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
7.9 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against Basil Mansions, Flat 18, Basil Street, Kensington And Chelsea, London, SW3 1AP, sourced from the PlanIt planning register.
- Jan 2020RenovationFullGrant Planning Permission/Consent
Replacement of external doors and windows with double glazed timber windows and doors; installation of acoustic grille to window 24 to rear to suit internal AC unit
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Basil Mansions valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£4,479,000
Modelled from EPC, postcode comparables.
Last sold (2019)
£4,500,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of Basil Mansions, Flat 18, Basil Street, Kensington And Chelsea, London, SW3 1AP
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Basil Street homes
Four headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.
Habitable Rooms for Basil Mansions runs comfortably ahead of the street norm.
Price per m²
£19,397
Street avg £14,274
Floor Area
232 m²
Street avg 145 m²
Habitable Rooms
8 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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
Sloane Street / Knightsbridge Station — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 1AP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
58.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 81 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Basil Mansions, Flat 18, Basil Street, Kensington And Chelsea, London, SW3 1AP. Each answer is also embedded as structured data for search engines.