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Get started100 Ecton Lane is a five-bedroom detached house in Sywell, Northampton, Northampton (NN6 0BB). It has a recorded floor area of 280 m² (around 3014 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (February 2025) shows a C (score 74). When first surveyed in July 2010 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good.
Sale prices here have outpaced England HPI: 4.8% per year against 0% for the wider region. Today's modelled estimate of £808,000 sits 85.7% above the 2013 sale of £435,000. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 18.3% below the postcode norm. On the market in June 2013 and unlisted since — roughly 13 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 2011. Past consents include an extension, meaningful when judging how the property has evolved. At 280 m² it's 15.7% larger than the typical home in the postcode (242 m² median across 12 EPCs).
100 Ecton Lane's carbon output runs well above what efficient homes in the postcode produce.
Extension: Two storey
Removal of the existing double garage at the rear of the property, the erection of a two storey extension to the side and a single detached garage at the front
100 Ecton Lane's estimated value is more than triple its earliest registered sale price (1999).
£808,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 14 years.
£435,000
Growth on file: 4.8% per year over 14 years.
100 Ecton Lane is notably below the street on price per m².
Price per m²
£1,554
Street avg £3,251
Floor Area
280 m²
Street avg 252 m²
Habitable Rooms
10 rooms
Street avg 8 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
0.6 km

Daytime· 07:00 – 23:00
41.6dB

Changes detected from historical EPC data
Hot water system upgraded
Window efficiency improved
Roof insulation improved
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 June 2013Most recent
£435,000
+45.0%over 9 years6 August 2003
£300,000
+44.2%over 2 years25 October 2000
£208,000
-8.4%over 1 year25 June 1999
£227,000
Median price across the last 5 sales in NN6 0BB: £950,000 (2022–2016).
CO₂ Emissions
7.5 t/year
Street avg 9.6 t/year
NN6 0EU
Bus Shelter — bus stop.
Closest school
0.8 km
Sywell Church of England Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
35.4dB
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