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Get started10 High Street is a five-bedroom detached house in Welford, Northampton, Northampton (NN6 6HT). It has a recorded floor area of 338 m² (around 3638 sq ft), construction records dating it to before 1900 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy. The latest certificate (July 2013) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 55). Main heating runs on oil. The latest certificate is from July 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5.6% per year against 0% for the wider region. Today's modelled estimate of £816,000 is 21.8% above the 2014 sale price. At 338 m² the property is well over the postcode median (108 m² across 52 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. 12 years since the last transfer (August 2014).
10 High Street'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This certificate is over 10 years old and is no longer valid.Expired 22 Jul 2023
10 High Street has multiple listed-building consents on file — alterations need formal heritage approval.
Extension: Single storey · Rear of property
Listed Building Consent for single storey rear extension to form link to existing outbuildings. Refurbishment of outbuilding to create study and games room (resubmission)
10 High Street valuation sits well clear of the typical sold price in this postcode.
£816,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 9 years.
£670,000
Growth on file: 5.6% per year over 9 years.
On floor area, 10 High Street stands well clear of the street.
Price per m²
£1,982
Street avg £2,347
Floor Area
338 m²
Street avg 134 m²
Habitable Rooms
6 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
0.0 km

Daytime· 07:00 – 23:00
44.5dB

Extension: Single storey · Rear of property
Listed Building Consent for single storey rear extension to form link to existing outbuildings. Refurbishment of outbuilding to create study and games room (resubmission)
3 more applications for this property
Join to see all planning history.
19 August 2014Most recent
£670,000
+60.3%over 8 years19 December 2005
£418,000
Median price across the last 5 sales in NN6 6HT: £320,000 (2025–2025).
Street avg 6 rooms
CO₂ Emissions
16.0 t/year
Street avg 8.5 t/year
NN6 6DQ
Orchard Terrace — bus stop.
Closest school
0.2 km
Welford Sibbertoft and Sulby Endowed School. 1 school nearby.
Night-time· 23:00 – 07:00
37.6dB
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