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Get started7 Castle Street is a mid-terrace house in Wellingborough (NN8 1LS). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (March 2026) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (June 2011); the latest reading is one band lower. Between certificates, window efficiency dropped from Very Good to Poor and lighting dropped from Very Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 47 m² this is the 4th smallest of 24 units on EPC record in the building, where floor areas span 37–220 m². The building's EPC ratings span D to B across 24 units on file.
2 planning records sit against the property, 2 approved, 0 refused.
7 Castle Street's carbon output is low for the local stock.
Proposed amendments to parking layout and bin/cycle store to approved application (WP/2009/0447/FM)
7 Castle Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£122,000
Modelled from EPC, postcode comparables.
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.
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On co₂ emissions, 7 Castle Street stands well clear of the street.
EPC Rating
77 (C)
Street avg 70 (C)
Floor Area
47 m²
Street avg 50 m²
CO₂ Emissions
1.2 t/year
Street avg 2.4 t/year
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
All Saints Church — bus stop.

Daytime· 07:00 – 23:00
53.3dB

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Changes detected from historical EPC data
Heating controls changed
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Proposed demolition of existing dwellings and erection of a 3-storey building comprising 11 apartments and 5 houses in association with Metropolitan Housing Trust - amended plans and details of sunlight/daylight impact have been received
Median price across the last 5 sales in NN8 1LS: £130,000 (2024–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Habitable Rooms
2 rooms
Street avg 3 rooms
NN8 1JN
Closest school
0.0 km
All Saints CEVA Primary School and Nursery. 18 schools nearby.
Night-time· 23:00 – 07:00
43.9dB