23 Alderney Street, Westminster, London, SW1V 4ES
About 23 Alderney Street
23 Alderney Street is a two-bedroom mid-terrace house in Westminster, London, London (SW1V 4ES). It has a recorded floor area of 191 m² (around 2055 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (September 2010) shows an E (score 39), well below the UK norm with real room to improve. The latest certificate is from September 2010, so improvements made since then won't be reflected. Other recorded features include a basement.
Untraded for 15 years, with the last transfer in March 2011. Today's modelled estimate of £2,378,000 sits 86.5% above the 2011 sale of £1,275,000. On a £-per-square-foot basis, the last sale (£620/sq ft) was about 26.1% above the typical sold price in the postcode. 6 planning records sit against the property, 6 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 191 m² it's 28.9% larger than the typical home in the postcode (148 m² median across 12 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Know exactly what you're buying at 23 Alderney Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
- BasementYes
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
23 Alderney Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Sept 2020
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Oct 2013HeritageIn report
Variation of Condition 1 of listed building consent dated 30 April 2012 (RN: 11/11607) for alterations to existing mansard roof including partial reconstruction and re-cladding of rear; demolition and replacement of existing rear lower ground and ground floor extension with terrace above; alterations to front lightwell including new stairs; alterations to fenestration and alterations to rear garden including new planting and seating; and internal alterations. Namely, to install security bars to window within front lightwell, one air brick to front elevation, one extract to rear elevation and two ventilation outlets at roof level.
- Agent
- Paul Archer Design
Listed- Documents
- 14 docs on file
- Reference
- 13/08538/LBC
- Oct 2013ExtensionFullIn report
Variation of Condition 1 of planning permission dated 30 April 2012 (RN: 11/11606) for alterations to existing mansard roof including partial reconstruction and re-cladding of rear; demolition and replacement of existing rear lower ground and ground floor extension with terrace above; alterations to front lightwell including new stairs; alterations to fenestration and alterations to rear garden including new planting and seating. Namely, to install security bars to window within front lightwell, one air brick to front elevation, one extract to rear elevation and two ventilation outlets at roof level.
- Agent
- Paul Archer Design
- Documents
- 10 docs on file
- Reference
- 13/08316/FULL
What's in 23 Alderney Street, Westminster, London, SW1V 4ES's planning history?
4 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
23 Alderney Street valuation sits well clear of the typical sold price in this postcode.
£2,378,000
Modelled from EPC, postcode comparables.
£1,275,000
Recorded with HM Land Registry.
Sales timeline
25 March 2011Most recent
£1,275,000
Median price across the last 5 sales in SW1V 4ES: £1,600,000 (2020–2007).
Nearby sales in SW1V 4ES
15 Alderney Street, Westminster, London, SW1V 4ES
Sold Jan 2020
£2,260,0007 Alderney Street, Westminster, London, SW1V 4ES
Sold Dec 2018
£1,575,00025 Alderney Street, Westminster, London, SW1V 4ES
Sold Dec 2013
£2,076,0009 Alderney Street, Westminster, London, SW1V 4ES
Sold Jan 2011
£1,270,00021 Alderney Street, Westminster, London, SW1V 4ES
Sold Aug 2007
£1,600,000
Everything we know about 23 Alderney Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Alderney Street homes
CO₂ Emissions for 23 Alderney Street lags the street by a wide margin.
Price per m²
£6,677
Street avg £8,717
Floor Area
191 m²
Street avg 160 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
13.0 t/year
Street avg 8.6 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Elizabeth Bridge — bus stop.
Closest school
0.2 km
Ada National College for Digital Skills. 62 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
58.8dB

Night-time· 23:00 – 07:00
48.9dB