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Get started14 Seymour Street is a mid-terrace house in Westminster, London, London (W1H 7HT). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to before 1900 and council tax band G. At 80 m² this is the smallest unit on EPC record across the building (80–131 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 53). The latest certificate (November 2022) shows a C (score 76), near the top of the C band. The rating has held steady at C across 8 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very 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 B (score 81).
14 planning records sit against the property, 14 approved, 0 refused. Past consents include new windows and a basement excavation, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 80 m² it sits well below the postcode median (119 m² across 10 EPCs), making it one of the more compact homes locally.
14 Seymour Street has a listed-building consent on record — alterations to a listed property are tightly controlled.
Restoration of the existing hardwood flooring; construction of new service risers to conceal the services; intumescent fire upgrades to the existing doors; replacement matwell and entrance mat as identified on the drawing; and replacement window ironmongery throughout.
14 Seymour Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,320,000
Modelled from EPC, postcode comparables.
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.
14 Seymour Street outperforms the street on epc rating by a wide margin.
EPC Rating
76 (C)
Street avg 65 (D)
Floor Area
80 m²
Street avg 109 m²
CO₂ Emissions
2.0 t/year
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Portman Street — bus stop.

Daytime· 07:00 – 23:00
63.1dB

Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Heating controls changed
Hot water system changed
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Single glazing replaced with double or better glazing
Wall insulation improved
Low energy lighting percentage decreased
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
External works to parapet wall, replacement of existing asphalt flat roof with a lead sheet covering, replacement doors to the under-pavement vaults, replacement of guttering and downpipes with cast iron rainwater goods and other associated works.
12 more applications for this property
Join to see all planning history.
Street avg 3.7 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
Closest school
0.5 km
Hampden Gurney CofE Primary School. 63 schools nearby.
Night-time· 23:00 – 07:00
53.7dB