125a, Queensway, Westminster, London, W2 4BS
About 125a
125a is a mid-terrace house in Westminster, London, London (W2 4BS). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to 1930-1949. At 42 m² this is the smallest unit on EPC record across the building (42–105 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (January 2026) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2014); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Poor. The recommended improvements would lift it to B (score 87), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 42 m² it's 20.8% smaller than the typical home in the postcode (53 m² median across 9 EPCs).
Everything you need to know about 125a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
125a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Heating system upgraded to a more efficient system
Hot water system upgraded
Heating system changed
Heating controls changed
Hot water system changed
Planning history
125a has no planning applications on record.
Notable planning nearby
10applications of note in the surrounding area
We flagged 2 things worth checking at 125a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
125a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£570,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Versus other Queensway homes
On co₂ emissions, 125a stands well clear of the street.
EPC Rating
67 (D)
Street avg 68 (D)
Floor Area
42 m²
Street avg 61 m²
CO₂ Emissions
0.6 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 125a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Bayswater — bus stop.
Closest school
0.2 km
Hallfield Primary School. 73 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
59.6dB
Night-time· 23:00 – 07:00
50.4dB