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Get startedStonewalls is a detached house in Long Buckby, Northampton, Northampton (NN6 7RW). It has a recorded floor area of 130 m² (around 1399 sq ft) and construction records dating it to 1991-1995. The latest certificate (September 2016) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 87), a 3-band jump. Main heating runs on oil.
At 130 m² the property is well over the postcode median (94 m² across 32 EPCs), placing it in the larger end of the local stock. One planning record on file: an annexe approved in 2023. Past consents include an annexe, meaningful when judging how the property has evolved.
Stonewalls's carbon output runs well above what efficient homes in the postcode produce.
Conversion of outbuilding into annex
Stonewalls has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£450,000
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.
On epc rating, Stonewalls runs well behind the street norm.
EPC Rating
42 (E)
Street avg 62 (D)
Floor Area
130 m²
Street avg 110 m²
CO₂ Emissions
9.0 t/year
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
8 Market Place — bus stop.

Daytime· 07:00 – 23:00
46.8dB

Median price across the last 5 sales in NN6 7RW: £500,000 (2025–2023).
5 Brington Road Long Buckby Northampton
Sold Jul 2025
10 Brington Road Long Buckby Northampton
Sold Jun 2025
20 Brington Road Long Buckby Northampton
Sold Oct 2024
56 Brington Road Long Buckby Northampton
Sold Mar 2024
41 Brington Road Long Buckby Northampton
Sold Dec 2023
Street avg 5.2 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
NN6 7XD
Closest school
0.2 km
Long Buckby Infant School. 2 schools nearby.
Night-time· 23:00 – 07:00
37.7dB