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Get started25 William Mews, Westminster, London, SW1X 9HF
7 planning records
About 25 William Mews
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
25 William Mews is a three-bedroom mid-terrace house in Westminster, London, London (SW1X 9HF). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1967-1975 and council tax band H. The latest certificate (December 2017) shows a C (score 79), near the top of the C band. When first surveyed in October 2008 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 87).
Sale prices here have outpaced London HPI: 15.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£2,606/sq ft) was about 300.5% above the typical sold price in the postcode. At 135 m² the property is well over the postcode median (104 m² across 16 EPCs), placing it in the larger end of the local stock. 3 bedrooms is on the larger side for this postcode, where 2 is the typical count. 7 planning records sit against the property, 4 approved, 3 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. 8 years since the last transfer (January 2018).
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
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Dec 2017
EPC Rating
A
B
C
C79
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.5 t/year
Occupancy
—
Planning history
Applications and permits filed against 25 William Mews, Westminster, London, SW1X 9HF, sourced from the PlanIt planning register.
25 William Mews has 4 separate extension applications on the council record.
- Aug 2017FullGranted
Installation of an air conditioning unit and enclosure at third floor roof level.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has at least doubled since 2010.
Current estimate
See how we calculated this£3,863,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.7% per year over 7 years.
Last sold (2018)
£3,787,500
Growth on file: 15.7% per year over 7 years.
Sales timeline
Launch offer · 33% off
The complete analysis of 25 William Mews, Westminster, London, SW1X 9HF
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 William Mews homes
Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.
25 William Mews outperforms the street on epc rating by a wide margin.
Price per m²
£28,056
Street avg £12,638
Floor Area
135 m²
Street avg 108 m²
CO₂ Emissions
2.5 t/year
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
0.1 km
Sloane Street / Knightsbridge Station — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW1X 9HF from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
59.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 79 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 25 William Mews, Westminster, London, SW1X 9HF. Each answer is also embedded as structured data for search engines.
