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Get started17 Ashwells Lane is a three-bedroom semi-detached house in Yelvertoft, Northampton, Northampton (NN6 6LW). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (October 2024) shows an F (score 22), near the bottom of the EPC scale. When first surveyed in October 2009 the rating was G, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 55), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced England HPI: 7.6% per year against 0% for the wider region. Today's modelled estimate of £276,000 is 26.6% above the 2015 sale price. Last sold in November 2015, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2017. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 94 m² it's 24.5% smaller than the typical home in the postcode (125 m² median across 26 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).
17 Ashwells Lane's carbon output runs well above what efficient homes in the postcode produce.
17 Ashwells Lane has an approved single-storey rear extension on the planning record.
17 Ashwells Lane has more than tripled in price since its earliest registered sale in 1997.
£276,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 18 years.
£218,000
Growth on file: 7.6% per year over 18 years.
17 Ashwells Lane is notably below the street on epc rating.
Price per m²
£2,319
Street avg £2,351
Floor Area
94 m²
Street avg 132 m²
Habitable Rooms
4 rooms
Street avg 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
0.2 km

Daytime· 07:00 – 23:00
44.5dB

Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
Window efficiency improved
More low energy lighting installed
Roof insulation improved
Solar PV panels (45 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Prior approval for single storey rear extension(conservatory) 3.75m from original dwelling and 3m overall height
20 November 2015Most recent
£218,000
+19.8%over 3 years31 May 2012
£182,000
+10.3%over 2 years29 October 2009
£165,000
+184.7%over 11 years7 November 1997
£57,950
Median price across the last 5 sales in NN6 6LW: £348,500 (2025–2020).
CO₂ Emissions
7.6 t/year
Street avg 7.1 t/year
NN6 6EF
Church — bus stop.
Closest school
0.3 km
Yelvertoft Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
37.0dB
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