Model valuation£417,0008 Busby Close
Local market context
Estimated value
£1,659,000
Newest record on this page: February 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£1,659,000
Your note and figure are shown publicly on this page.
The estimate for 20 Belfry Lane is modelled from its 431 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in NN4 0PB. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Floor area
431 m² from the EPC lodged in July 2023
Sales of this home
3 sales recorded, the latest in 2023
Recent sales in NN4 0PB
5 sales, median £875,000 (2025–2021)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: February 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 of 3 applications | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Latest sale on 20 Belfry Lane was the highest on Land Registry record across the postcode.
21 September 2023Most recent
£1,875,000
+64.8%over 9 years5 November 2013
£1,137,500
+250.1%over 17 years24 October 1996
£324,950
Median price across the last 5 sales in NN4 0PB: £875,000 (2025–2021).
22 Belfry Lane, Collingtree, Northampton, NN4 0PB
Sold Feb 2025
26 Belfry Lane, Collingtree, Northampton, NN4 0PB
Sold Oct 2024
18 Belfry Lane, Collingtree, Northampton, NN4 0PB
Sold Apr 2024
36 Belfry Lane, Collingtree, Northampton, NN4 0PB
Sold Jul 2022
4 Belfry Lane, Collingtree, Northampton, NN4 0PB
Sold Dec 2021
One time fee only - money back guarantee
20 Belfry Lane is a detached house in Collingtree, Northampton, Northampton (NN4 0PB). It has a recorded floor area of 431 m² (around 4639 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (July 2023) returns a B (score 83), comfortably above the UK average. When first surveyed in April 2013 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good.
Across 1996–2023, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £1,659,000 is 11.5% below the 2023 sale of £1,875,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 123.5% above the typical sold price in the postcode. At 431 m² the property is well over the postcode median (257 m² across 27 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: September 2023 at £1,875,000.
20 Belfry Lane ranks among the most efficient homes in the postcode for energy use.
Certificate validity
Valid until 3 July 2033
Changes detected from historical EPC data
Heating system changed
Window efficiency improved
More low energy lighting installed
3 applications on record at 20 Belfry Lane, Collingtree, Northampton, NN4 0PB
Extension: Side of property
Two storey side extension and single storey enclosure for the swimming pool.
You're seeing the shape of it. The report has the substance.
One time fee only - money back guarantee
On epc rating, 20 Belfry Lane stands well clear of the street.
Price per m²
£4,350
Street avg £4,789
Floor Area
431 m²
Street avg 276 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
8.4 t/year
Street avg 8.7 t/year
Crime
339/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Medical Centre — bus stop.
Closest school
0.5 km
East Hunsbury Primary School. 18 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
53.0dB

Night-time· 23:00 – 07:00
46.1dB
Get a survey for this property
Because the property is a large detached home over 300m² and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
NN4 0PB
NN4 0XP
NN4 0BL
NN4 0ND
NN4 0BN
NN4 0QS
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