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Get started1 Halkin Street is an end-of-terrace house in Westminster, London, London (SW1X 7DJ). It has a recorded floor area of 107 m² (around 1152 sq ft) and construction records dating it to before 1900. The latest certificate (March 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and lighting dropped from Poor to Very Poor.
5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension, subdivision and a basement excavation, meaningful when judging how the property has evolved.
Council records show a subdivision application — the property's legal arrangement has been altered.
Parking mitigation measures pursuant to Condition 6 of planning permission dated 15 June 2006 (RN: 06/02812).
1 Halkin Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,778,000
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
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An AI-written breakdown of everything that matters
EPC Rating for 1 Halkin Street runs comfortably ahead of the street norm.
EPC Rating
65 (D)
Street avg 59 (D)
Floor Area
107 m²
Street avg 86 m²
CO₂ Emissions
4.3 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Hyde Park Corner — bus stop.

Daytime· 07:00 – 23:00
61.9dB

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Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Details of methodology for the cleaning, repair and re-tuck pointing of the external brickwork, drawings at 1:5 of all new cornices, internal elevations from both sides at 1:20 of all new openings within the party walls, detailed drawings at 1:20 of the new railings, detailed constructional drawings and samples of materials for the new extension at No. 2 Halkin Street and details of soundproofing to flats pursuant to Conditions 8 and 9 of listed building consent dated 15 June 2006 (RN: 06/02813).
3 more applications for this property
See the full planning history in the property report.
Median price across the last 5 sales in SW1X 7DJ: £1,490,000 (2024–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 5.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
SW1X 7NP
Closest school
0.6 km
St Peter's Eaton Square CofE Primary School. 56 schools nearby.
Night-time· 23:00 – 07:00
54.2dB