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Get started23 Portman Towers, George Street, Westminster, London, W1H 7HN
About 23 Portman Towers
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23 Portman Towers is an end-of-terrace house in Westminster, London, London (W1H 7HN). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1967-1975 and council tax band G. At 59 m² this is the smallest unit on EPC record across the building (59–253 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (October 2023) shows a C (score 73). The rating has held steady at C across 2 certificates since August 2023. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Very Poor.
Sale prices here have outpaced London HPI: 42.5% per year against 0% for the wider region. Today's modelled estimate of £453,000 is 84.1% below the 2024 sale of £2,850,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£4,488/sq ft) was about 184.5% above the typical sold price in the postcode. At 59 m² it sits well below the postcode median (119 m² across 11 EPCs), making it one of the more compact homes locally. Last sale on file: £2,850,000 in March 2024.
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 2)
Oct 2023
EPC Rating
A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
1.8 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
23 Portman Towers has more than quadrupled in price since its earliest registered sale in 2016.
Current estimate
See how we calculated this£453,000
Modelled from EPC, postcode comparables and a sale-price growth of 42.5% per year over 8 years.
Last sold (2024)
£2,850,000
Growth on file: 42.5% per year over 8 years.
Sales timeline
Versus other George Street homes
Four headline reads against 11 similar flats on this street, drawn from the latest EPC and Land Registry data.
23 Portman Towers outperforms the street on price per m² by a wide margin.
Price per m²
£48,305
Street avg £20,000
Floor Area
59 m²
Street avg 143 m²
Habitable Rooms
2 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
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
George Street (W1) — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around W1H 7HN from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
63.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 92 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 23 Portman Towers, George Street, Westminster, London, W1H 7HN. Each answer is also embedded as structured data for search engines.