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Get started128 Ecton Lane is a seven-bedroom detached house in Sywell, Northampton, Northampton (NN6 0BB). It has a recorded floor area of 468 m² (around 5038 sq ft) and construction records dating it to 2007 onwards. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a self-contained annexe and attached land beyond the plot. The latest certificate (February 2016) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since January 2010. Between certificates, hot-water efficiency dropped from Very Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83). The latest certificate is from February 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 8.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 103% above the typical sold price in the postcode. At 468 m² the property is well over the postcode median (242 m² across 12 EPCs), placing it in the larger end of the local stock. 7 bedrooms is on the larger side for this postcode, where 5 is the typical count. Sold July 2019 for £1,650,000. Across the public record there are 4 sales, relatively high churn for a single property. 10 planning records sit against the property, 7 approved, 3 refused. Past consents include tree works, an annexe, a loft conversion and an extension, meaningful when judging how the property has evolved.
128 Ecton Lane'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This certificate is over 10 years old and is no longer valid.Expired 08 Feb 2026
Council records show a subdivision application — the property's legal arrangement has been altered.
Work to trees within A1 including the removal of 1 no. walnut (leaning), 2 no. dead silver birch and a number of diseased sycamores plus the removal of dead wood.
Latest sale on 128 Ecton Lane was the highest on Land Registry record across the postcode.
£1,780,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 22 years.
£1,650,000
Growth on file: 8.3% per year over 22 years.
128 Ecton Lane outperforms the street on floor area by a wide margin.
Price per m²
£3,526
Street avg £3,004
Floor Area
468 m²
Street avg 237 m²
Habitable Rooms
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
Heating controls changed
Hot water system changed
Loft insulation upgraded to recommended levels
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Work to trees in the woodland as described in the tree report schedule including maintenance to 13 trees (oak, sycamore and 1 walnut) and the removal of 18 trees which are dead or in a poor condition (birch, sycamore and cherry) with replacement planting
8 more applications for this property
Join to see all planning history.
29 July 2019Most recent
£1,650,000
+140.9%over 11 years5 September 2007
£685,000
+53.9%over 7 years15 May 2000
£445,000
+56.1%over 2 years11 August 1997
£285,000
Median price across the last 5 sales in NN6 0BB: £820,000 (2022–2015).
Street avg 8 rooms
CO₂ Emissions
9.9 t/year
Street avg 9.4 t/year
NN6 0JA
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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