21b, Flat 104, St Matthews Street, Ipswich, IP1 3EL
About 21b
21b is an end-of-terrace house in Ipswich (IP1 3EL). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1950-1966. The latest certificate (June 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since January 2010. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good. At 44 m² this is the 3rd smallest of 23 units on EPC record in 21b, where floor areas span 35–101 m². The building's EPC ratings span D to B across 23 units on file.
At 44 m² it sits well below the postcode median (71 m² across 30 EPCs), making it one of the more compact homes locally.
Energy performance
21b's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
21b has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£135,000
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 IP1 3EL: £235,000 (2025–2002).
Versus other St Matthews Street homes
On co₂ emissions, 21b stands well clear of the street.
EPC Rating
74 (C)
Street avg 73 (C)
Floor Area
44 m²
Street avg 66 m²
CO₂ Emissions
1.5 t/year
Street avg 2.1 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
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21a, Flat 2, St Matthews Street
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21a, Flat 3, St Matthews Street
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21a, Flat 4, St Matthews Street
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21b, Flat 301, St Matthews Street
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
16/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Ipswich Furniture Project — bus stop.
Closest school
0.1 km
St Matthew's Church of England Primary School, Ipswich. 31 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
53.8dB

Night-time· 23:00 – 07:00
44.1dB







