21 Castle Mews, Wellingborough, NN8 1NX
About 21 Castle Mews
21 Castle Mews is a semi-detached house in Wellingborough (NN8 1NX). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1976-1982 and council tax band A. At 36 m² this is the 3rd 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 across 20 units on file. The latest certificate (June 2022) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Main heating runs on electricity.
Across 2000–2023, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 114.3% above the typical sold price in the postcode. At 36 m² it's 23.4% smaller than the typical home in the postcode (47 m² median across 19 EPCs). Sold June 2023 for £108,000.
Everything you need to know about 21 Castle Mews
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 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
Sale price has grown by over 3x since 2000.
£106,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 23 years.
£108,000
Growth on file: 5.8% per year over 23 years.
Sales timeline
5 June 2023Most recent
£108,000
+254.1%over 22 years29 November 2000
£30,500
Median price across the last 5 sales in NN8 1NX: £77,000 (2020–2013).
Nearby sales in NN8 1NX
Versus other Castle Mews homes
21 Castle Mews outperforms the street on price per m² by a wide margin.
Price per m²
£3,000
Street avg £1,471
Floor Area
36 m²
Street avg 45 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.4 t/year
Street avg 2.2 t/year
Everything you need to know about 21 Castle Mews
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
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