12 Castle Mews, Wellingborough, NN8 1NX
About 12 Castle Mews
12 Castle Mews is an end-of-terrace house in Wellingborough (NN8 1NX). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1983-1990 and council tax band B. At 48 m² this is the 13th smallest of 20 units on EPC record in the building, where floor areas span 35–55 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2022) shows a C (score 76), near the top of the C band. The rating has held steady at C across 3 certificates since November 2009. Between certificates, roof efficiency went from Average to Good and window efficiency went from Very Poor to Average.
Energy performance
12 Castle Mews's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
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Planning history
12 Castle Mews 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
12 Castle Mews has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
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 NN8 1NX: £90,000 (2023–2014).
Nearby sales in NN8 1NX
Versus other Castle Mews homes
12 Castle Mews outperforms the street on epc rating by a wide margin.
EPC Rating
76 (C)
Street avg 70 (C)
Floor Area
48 m²
Street avg 44 m²
CO₂ Emissions
1.5 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
All Saints Church — bus stop.
Closest school
0.1 km
All Saints CEVA Primary School and Nursery. 19 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
53.2dB

Night-time· 23:00 – 07:00
43.7dB







