21a, 2 Swanspool Flats, Sheep Street, Wellingborough, NN8 1BZ
About 21a
21a is an end-of-terrace house in Wellingborough (NN8 1BZ). It has a recorded floor area of 59 m² (around 635 sq ft) and construction records dating it to before 1900. At 59 m² this is the smallest unit on EPC record across 21a (59–83 m²). The building's EPC ratings span E to D, with this unit at the top. The latest certificate (October 2022) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (January 2011); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 77).
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£158,000
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 Sheep Street homes
On floor area, 21a runs well behind the street norm.
EPC Rating
65 (D)
Street avg 59 (D)
Floor Area
59 m²
Street avg 69 m²
CO₂ Emissions
2.9 t/year
Street avg 3.8 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Swanspool House — bus stop.
Closest school
0.4 km
Wrenn School. 20 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
53.9dB
Night-time· 23:00 – 07:00
44.5dB