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Get started21 Old Barrack Yard is a three-bedroom mid-terrace house in Westminster, London, London (SW1X 7NP). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (October 2020) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2009. Between certificates, window 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 Average and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
It hasn't traded since February 1998, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 138 m² the property is well over the postcode median (74 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £2,494,000 sits 353.5% above the 1998 sale of £550,000. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 82.2% below the postcode norm. One historical planning record sits against the property in 2008. The record references listed-building consent, which constrain future alterations.
21 Old Barrack Yard's carbon output runs well above what efficient homes in the postcode produce.
21 Old Barrack Yard has a listed-building consent on record — alterations to a listed property are tightly controlled.
Internal alterations to include removal of partition and replacement door at ground floor level.
21 Old Barrack Yard's modelled value sits at over four times its earliest registered sale price (1998).
£2,494,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
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Years Held for 21 Old Barrack Yard runs comfortably ahead of the street norm.
Price per m²
£3,986
Street avg £19,431
Floor Area
138 m²
Street avg 115 m²
Habitable Rooms
5 rooms
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
61.0dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 February 1998Most recent
£550,000
Median price across the last 5 sales in SW1X 7NP: £3,400,000 (2024–2018).
22 Old Barrack Yard Westminster London
Sold Nov 2024
11 Old Barrack Yard Westminster London
Sold Nov 2024
28 Old Barrack Yard Westminster London
Sold Nov 2023
16 Old Barrack Yard Westminster London
Sold Sept 2018
30 Old Barrack Yard Westminster London
Sold Jul 2016
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 4 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.3 t/year
SW1X 7QS
Closest school
0.8 km
St Peter's Eaton Square CofE Primary School. 50 schools nearby.
Night-time· 23:00 – 07:00
53.2dB