21b, Blyth Road, London, SE28 8LJ
About 21b
21b is a mid-terrace house in London (SE28 8LJ). It has a recorded floor area of 124 m² (around 1335 sq ft) and construction records dating it to 1996-2002. The latest certificate (July 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since October 2014. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 124 m² the property is well over the postcode median (45 m² across 29 EPCs), placing it in the larger end of the local stock.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Planning history
21b has no planning applications on record.
Notable planning nearby
20applications of note in the surrounding area
We flagged 1 thing worth checking at 21b
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£475,000
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.
Versus other Blyth Road homes
EPC Rating for 21b runs comfortably ahead of the street norm.
EPC Rating
77 (C)
Street avg 73 (C)
Floor Area
124 m²
Street avg 102 m²
CO₂ Emissions
2.6 t/year
Street avg 2.8 t/year
Habitable Rooms
7 rooms
Street avg 6 rooms
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Poplar Place — bus stop.
Closest school
0.3 km
Jubilee Primary School. 31 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.8dB

Night-time· 23:00 – 07:00
44.9dB







