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Get started8 Overstone Road is a five-bedroom semi-detached house in Sywell, Northampton, Northampton (NN6 0AW). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2013) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected. Other recorded features include notable views. Records show the property has been extended at some point in its history.
Untraded for 26 years, with the last transfer in February 2000. Sale prices here have outpaced England HPI: 14.6% per year against 0% for the wider region. Today's modelled estimate of £476,000 sits 203.2% above the 2000 sale of £157,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 43.7% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved.
8 Overstone Road's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 22 Nov 2023
8 Overstone Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Notification for prior approval for a proposed larger home extension for a single storey rear extenison
8 Overstone Road's modelled value sits at over four times its earliest registered sale price (1997).
£476,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.6% per year over 2 years.
£157,000
Growth on file: 14.6% per year over 2 years.
8 Overstone Road outperforms the street on years held by a wide margin.
Price per m²
£1,106
Street avg £2,504
Floor Area
142 m²
Street avg 196 m²
Habitable Rooms
9 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
43.8dB

Extension: Rear of property
Alterations to house and extension to rear annexe
11 February 2000Most recent
£157,000
+37.7%over 2 years7 October 1997
£114,000
Median price across the last 5 sales in NN6 0AW: £387,500 (2025–2023).
Street avg 8 rooms
CO₂ Emissions
6.0 t/year
Street avg 6.4 t/year
NN6 0BF
Sywell Primary School — bus stop.
Closest school
0.1 km
Sywell Church of England Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
36.6dB
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