14 Castle Mews, Wellingborough, NN8 1NX
About 14 Castle Mews
14 Castle Mews is a one-bedroom 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 1983-1990 and council tax band A. The latest certificate (September 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, window efficiency went from Very Poor to Average and main heating went from Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 78). Main heating runs on electricity. 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.
Untraded for 23 years, with the last transfer in June 2003. Across 1996–2003, sale prices on this property compounded at 16.8% per year. Today's modelled estimate of £108,000 sits 107.7% above the 2003 sale of £52,000. At 36 m² it's 23.4% smaller than the typical home in the postcode (47 m² median across 19 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Utility roomYes
Outside
- ParkingAllocated
Building
- Heating systemElectric
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
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
14 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 at least doubled since 1996.
£108,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.8% per year over 7 years.
£52,000
Growth on file: 16.8% per year over 7 years.
Sales timeline
5 June 2003Most recent
£52,000
+188.9%over 6 years31 July 1996
£18,000
Median price across the last 5 sales in NN8 1NX: £90,000 (2023–2014).
Nearby sales in NN8 1NX
Versus other Castle Mews homes
CO₂ Emissions for 14 Castle Mews lags the street by a wide margin.
Price per m²
£1,444
Street avg £1,575
Floor Area
36 m²
Street avg 45 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.2 t/year
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







