21b is a one-bedroom mid-terrace house in Lambeth, London, London (SW8 1AS). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2020) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80).
Held since March 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £473,000 sits 247.8% above the 1999 sale of £136,000. On a £-per-square-foot basis, the last sale (£211/sq ft) was about 54% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
No planning applications are recorded against 21b, Richborne Terrace, Lambeth, London, SW8 1AS. The full report also covers planning activity across the surrounding area.
Full planning data for 21b, Richborne Terrace, Lambeth, London, SW8 1AS
Every application and decision on this property and nearby, in full, in the report.
21b's estimated value is more than triple its earliest registered sale price (1999).
£473,000
Modelled from EPC, postcode comparables.
£136,000
Recorded with HM Land Registry.
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21b is notably below the street on price per m².
Price per m²
£2,267
Street avg £8,080
Floor Area
60 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Dorset Road — bus stop.

Daytime· 07:00 – 23:00
57.8dB

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Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
5 March 1999Most recent
£136,000
Median price across the last 5 sales in SW8 1AS: £625,000 (2025–2024).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
2.4 t/year
Street avg 2.2 t/year
SW8 1FY
Closest school
0.2 km
Reay Primary School. 98 schools nearby.
Night-time· 23:00 – 07:00
48.5dB