21a, Birkbeck Hill, London, SE21 8JS
About 21a
21a is a two-bedroom mid-terrace house in London (SE21 8JS). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to 1967-1975. Tenure is freehold. The latest certificate (July 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 78). At 42 m² this is the 2nd smallest of 15 units on EPC record in the building, where floor areas span 29–115 m². The building's EPC ratings span E to B across 15 units on file. Records show the property has been extended at some point in its history.
At 42 m² it sits well below the postcode median (72 m² across 48 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- StudyYes
Outside
- Private gardenRear
Building
- TenureFreehold
- Central heatingYes
- Previously extendedYes
- RefurbishedYes
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 26 July 2030
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
21a has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£373,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in SE21 8JS: £605,000 (2025–2021).
Nearby sales in SE21 8JS
45 Birkbeck Hill, Lambeth, London, SE21 8JS
Sold Nov 2025
£792,5006a, Birkbeck Hill, Lambeth, London, SE21 8JS
Sold Aug 2025
£490,00025 Birkbeck Hill, Lambeth, London, SE21 8JS
Sold Jul 2025
£605,0005 Birkbeck Hill, Lambeth, London, SE21 8JS
Sold Mar 2024
£843,0001 Birkbeck Hill, Lambeth, London, SE21 8JS
Sold Sept 2020
£720,000
Versus other Birkbeck Hill homes
21a is notably below the street on floor area.
EPC Rating
67 (D)
Street avg 63 (D)
Floor Area
42 m²
Street avg 55 m²
CO₂ Emissions
2.0 t/year
Street avg 2.7 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
66/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Avenue Park Road — bus stop.
Closest school
0.3 km
The Elmgreen School. 64 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
54.1dB
Night-time· 23:00 – 07:00
45.0dB