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Get started12 Mansfield Street is a three-bedroom detached house in Stanwick, Wellingborough, Wellingborough (NN9 6QP). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (April 2016) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2014. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 10.9% per year against 0% for the wider region. Today's modelled estimate of £310,000 is 14.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£374/sq ft) was about 223.4% above the typical sold price in the postcode. At 67 m² it's 15.7% smaller than the typical home in the postcode (80 m² median across 18 EPCs). Most recent transfer: February 2021 at £270,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 26 Apr 2026
12 Mansfield Street saw 3 transfers in just over a decade — high turnover for the postcode.
£310,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.9% per year over 6 years.
£270,000
Growth on file: 10.9% per year over 6 years.
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On price per m², 12 Mansfield Street stands well clear of the street.
Price per m²
£4,030
Street avg £1,979
Floor Area
67 m²
Street avg 75 m²
Habitable Rooms
4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
48.4dB

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Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 February 2021Most recent
£270,000
+17.4%over 3 years11 May 2017
£230,000
+53.8%over 1 year19 June 2015
£149,500
Median price across the last 5 sales in NN9 6QP: £282,500 (2023–2014).
25 Mansfield Street Stanwick Wellingborough
Sold May 2023
20 Mansfield Street Stanwick Wellingborough
Sold Nov 2021
27 Mansfield Street Stanwick Wellingborough
Sold Oct 2021
31 Mansfield Street Stanwick Wellingborough
Sold Jun 2020
45 Mansfield Street Stanwick Wellingborough
Sold May 2014
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

Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.1 t/year
NN9 6FF
Mansfield Street — bus stop.
Closest school
0.3 km
Stanwick Primary School. 5 schools nearby.
Night-time· 23:00 – 07:00
39.2dB