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Get started1 3, Belgrave Mews South, Westminster, London, SW1X 8BT
12 planning records
About 1 3
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1 3 is a mid-terrace house in Westminster, London, London (SW1X 8BT). It has a recorded floor area of 365 m² (around 3929 sq ft) and construction records dating it to before 1900. The latest certificate (August 2022) shows a C (score 72). When first surveyed in October 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while window efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 84).
Today's modelled estimate of £8,581,000 is 11.5% below the 2023 sale of £9,700,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£2,469/sq ft) was about 127.1% above the typical sold price in the postcode. 12 planning records sit against the property, 3 approved, 5 refused, 4 pending. Past consents include new windows, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. The record references listed-building consent, which constrain future alterations. At 365 m² the property is well over the postcode median (124 m² across 11 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Last sale on file: £9,700,000 in January 2023.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
1 3's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Aug 2022
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Very Poor
CO2 Emissions
11.0 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 1 3, Belgrave Mews South, Westminster, London, SW1X 8BT, sourced from the PlanIt planning register.
An application for partial demolition is currently awaiting a decision.
- Feb 2026DemolitionAmendmentPending
Amendments to planning permission dated 27 August 2024 (RN:24/03215/FULL) for demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. namely, amendment to front door and garage door to the front elevation at ground floor level.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
1 3 valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£8,581,000
Modelled from EPC, postcode comparables.
Last sold (2023)
£9,700,000
Recorded with HM Land Registry.
Sales timeline
Launch offer · 33% off
The complete analysis of 1 3, Belgrave Mews South, Westminster, London, SW1X 8BT
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Belgrave Mews South homes
Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.
1 3 is notably below the street on years held.
Price per m²
£26,575
Street avg £16,197
Floor Area
365 m²
Street avg 184 m²
Habitable Rooms
6 rooms
Street avg 6 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
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Wilton Street — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW1X 8BT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
61.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 93 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 1 3, Belgrave Mews South, Westminster, London, SW1X 8BT. Each answer is also embedded as structured data for search engines.
