Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started14 Sywell Road is a four-bedroom semi-detached house in Overstone, Northampton, Northampton (NN6 0AN). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2025) shows a C (score 71). When first surveyed in February 2021 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to B (score 84).
Today's modelled estimate of £499,000 sits 54.3% above the 2021 sale of £323,500. On a £-per-square-foot basis, the last sale (£233/sq ft) was about 16.5% above the typical sold price in the postcode. One planning record on file: an extension approved in 2023. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Sold April 2021 for £323,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Single storey · Rear of property
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£499,000
Modelled from EPC, postcode comparables.
£323,500
Recorded with HM Land Registry.
On epc rating, 14 Sywell Road stands well clear of the street.
Price per m²
£2,508
Street avg £2,620
Floor Area
129 m²
Street avg 155 m²
Habitable Rooms
6 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
42.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Demolition of existing single storey rear lean-to and conservatory. Construction of single storey rear extension.
29 April 2021Most recent
£323,500
Median price across the last 5 sales in NN6 0AN: £485,000 (2025–2020).
CO₂ Emissions
4.3 t/year
Street avg 5.6 t/year
NN6 0ED
Sywell Pumping Station — bus stop.
Closest school
0.6 km
Sywell Church of England Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
36.4dB
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell