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Get started17 Westlea Road is a two-bedroom semi-detached house in Sywell, Northampton, Northampton (NN6 0BY). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1967-1975 and council tax band C. The property has an EV charger on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a conservatory. The latest certificate (October 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, window efficiency went from Average to Good and hot-water efficiency went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.
Sale prices here have outpaced England HPI: 3.8% per year against 0% for the wider region. Today's modelled estimate of £281,000 is 17.1% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£391/sq ft) was about 112.4% above the typical sold price in the postcode. At 57 m² it sits well below the postcode median (86 m² across 18 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: April 2023 at £240,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
17 Westlea Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey flat roof rear extension
17 Westlea Road has more than doubled in price since the earliest registered sale in 2003.
£281,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 20 years.
£240,000
Growth on file: 3.8% per year over 20 years.
17 Westlea Road outperforms the street on price per m² by a wide margin.
Price per m²
£4,211
Street avg £2,284
Floor Area
57 m²
Street avg 89 m²
Habitable Rooms
3 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
44.4dB

Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
6 April 2023Most recent
£240,000
+50.9%over 9 years8 November 2013
£159,000
+40.7%over 10 years14 January 2003
£113,000
Median price across the last 5 sales in NN6 0BY: £251,000 (2023–2019).
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.7 t/year
NN6 0PP
The Horseshoe PH — bus stop.
Closest school
0.4 km
Sywell Church of England Primary School. 4 schools nearby.
Night-time· 23:00 – 07:00
36.6dB
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