12 Orme Square, Westminster, London, W2 4RS
About 12 Orme Square
12 Orme Square is a five-bedroom end-of-terrace house in Westminster, London, London (W2 4RS). It has a recorded floor area of 325 m² (around 3498 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (August 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 71).
12 planning records sit against the property, 8 approved, 2 refused, 1 pending. Past consents include tree works and an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Most recent transfer was May 2025 at £7,050,000 — fresh data. Across 1995–2025, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£2,015/sq ft) was about 29% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms5
Everything you need to know about 12 Orme Square
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Energy performance
12 Orme Square's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
Low energy lighting percentage decreased
Planning history
12 Orme Square has 2 separate extension applications on the council record.
- Jul 2025BasementFullIn report
Extension: Single storey · Rear of property
Variation of condition 1 of planning permission dated 5th January 2024 (RN:23/02189/FULL) for the Erection of single storey rear extension and alterations to front elevation including new windows and doors and enlarged front lightwell with stair. Namely, to increse the size of the extension (utlising the existing basement below); changes to roof build up' changes to roof lights and relocation of the lightwell from the side to the rear, and the introduction of 1no. small rooflight to the front roof slope as part of the works to the front elevation.
- Agent
- 23 Architecture
Extension- Documents
- 18 docs on file
- Reference
- 25/05014/FULL
- Aug 2025Tree WorksTreesIn report
T1 - London plane: crown reduce to previous, most recent reduction points (by approximately 5m).
- Agent
- MDJ Arboricultural Consultancy Ltd
- Documents
- 8 docs on file
- Reference
- 25/05892/TPO
We flagged 2 things worth checking at 12 Orme Square
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
12 Orme Square has more than quadrupled in price since its earliest registered sale in 1995.
£6,794,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 30 years.
£7,050,000
Growth on file: 6.4% per year over 30 years.
Sales timeline
18 May 2025Most recent
£7,050,000
+0.7%over 2 years9 December 2022
£7,000,000
+81.8%over 12 years1 December 2010
£3,850,000
+250.0%over 15 years29 June 1995
£1,100,000
Median price across the last 5 sales in W2 4RS: £6,100,000 (2021–2012).
Nearby sales in W2 4RS
13 Orme Square, Westminster, London, W2 4RS
Sold Jun 2021
£4,000,00010 Orme Square, Westminster, London, W2 4RS
Sold Mar 2020
£6,375,0007 Orme Square, Westminster, London, W2 4RS
Sold Feb 2019
£6,100,0005 Orme Square, Westminster, London, W2 4RS
Sold Aug 2014
£3,000,0003 Orme Square, Westminster, London, W2 4RS
Sold Nov 2012
£17,000,000
Versus other Orme Square homes
12 Orme Square is notably below the street on years held.
Price per m²
£21,692
Street avg £14,562
Floor Area
325 m²
Street avg 497 m²
Habitable Rooms
9 rooms
Street avg 10 rooms
CO₂ Emissions
14.0 t/year
Street avg 15.9 t/year
Everything you need to know about 12 Orme Square
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
0.1 km
Saint Petersburg Place — bus stop.
Closest school
0.5 km
Hallfield Primary School. 77 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
57.5dB
Night-time· 23:00 – 07:00
49.2dB