21b, Friars Street, Sudbury, CO10 2AA
About 21b
21b is a semi-detached house in Sudbury (CO10 2AA). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to before 1900. The latest certificate (May 2024) shows an F (score 31), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since July 2023. Between certificates, hot-water efficiency went from Very Poor to Poor. The recommended improvements would lift it to D (score 62), a 2-band jump. Main heating runs on electricity.
At 80 m² it's 25% larger than the typical home in the postcode (64 m² median across 29 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
21b sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Planning history
21b has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£194,000
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 CO10 2AA: £235,000 (2025–2021).
Nearby sales in CO10 2AA
Friars House, Flat 1, Friars Street, Sudbury, CO10 2AA
Sold Apr 2025
£150,00010a, Friars Street, Sudbury, CO10 2AA
Sold Sept 2022
£220,00021a, Friars Street, Sudbury, CO10 2AA
Sold Sept 2022
£235,00018 Friars Street, Sudbury, CO10 2AA
Sold Jun 2021
£325,00016c, Friars Street, Sudbury, CO10 2AA
Sold May 2021
£290,000
Versus other Friars Street homes
EPC Rating for 21b lags the street by a wide margin.
EPC Rating
31 (F)
Street avg 62 (D)
Floor Area
80 m²
Street avg 55 m²
CO₂ Emissions
7.1 t/year
Street avg 3.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Sports Ground — bus stop.
Closest school
0.4 km
St Gregory Church of England Voluntary Controlled Primary School. 8 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
49.1dB

Night-time· 23:00 – 07:00
41.0dB







