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Get started21 Castle Mews, Wellingborough, NN8 1NX
About 21 Castle Mews
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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.
Sale prices here have outpaced England HPI: 5.8% per year against 0% for the wider region. 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.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Rating
A
B
C
D
D66
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Average
CO2 Emissions
3.4 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has grown by over 3x since 2000.
Current estimate
See how we calculated this£106,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 23 years.
Last sold (2023)
£108,000
Growth on file: 5.8% per year over 23 years.
Sales timeline
Launch offer · 33% off
The complete analysis of 21 Castle Mews, Wellingborough, NN8 1NX
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Castle Mews homes
Four headline reads against 19 similar flats on this street, drawn from the latest EPC and Land Registry data.
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
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Wellingborough district page.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
All Saints Church — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NN8 1NX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 49 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Castle Mews, Wellingborough, NN8 1NX. Each answer is also embedded as structured data for search engines.
