Flat 5, 21 Castle Street, Shrewsbury, SY1 2AZ
About Flat 5
Flat 5 is a semi-detached house in Shrewsbury (SY1 2AZ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to before 1900 and council tax band A. At 40 m² this is the smallest unit on EPC record across the building (40–58 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (May 2021) shows a C (score 69), just inside the C band. When first surveyed in November 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
At 40 m² it's 28.6% smaller than the typical home in the postcode (56 m² median across 6 EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
More low energy lighting installed
Planning history
Flat 5 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Flat 5 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£127,000
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 Castle Street homes
Floor Area for Flat 5 lags the street by a wide margin.
EPC Rating
69 (C)
Street avg 70 (C)
Floor Area
40 m²
Street avg 57 m²
CO₂ Emissions
1.9 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
Apartment 11, 50 Castle Foregate
SY1 2EH
Apartment 2, 50 Castle Foregate
SY1 2EH
13a, Flat 2, Castle Street
SY1 2BB
Apartment 1, 50 Castle Foregate
SY1 2EH
13a, Flat 1, Castle Gates
SY1 2AB
Apartment 10, 50 Castle Foregate
SY1 2EH
Apartment 3, 5 School Gardens
SY1 2EF
13a, Flat 1, Castle Street
SY1 2BB
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Bus Station Timetable — bus stop.
Closest school
0.6 km
Shrewsbury College. 20 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
52.9dB

Night-time· 23:00 – 07:00
44.8dB







