25 Alsace Close, Northampton, NN5 6HX
About 25 Alsace Close
25 Alsace Close is a four-bedroom detached house in Northampton (NN5 6HX). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (July 2021) shows a C (score 72). The rating has held steady at C across 2 certificates since November 2008. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 82). Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
At 169 m² the property is well over the postcode median (113 m² across 7 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2009–2022, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 15% above the typical sold price in the postcode. Last sale on file: £510,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 25 Alsace Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
Outside
- GarageDouble, Detached
- Cul-de-sacYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
25 Alsace Close has 2 separate extension applications on the council record.
- Nov 2009ExtensionFullIn report
Extension: Single storey · Front of property
First floor front extension.
- Documents
- 27 docs on file
- Reference
- N/2009/0815
- Aug 2009ExtensionFullIn report
Extension: Single storey · Front of property
Proposed first floor front extension.
- Documents
- 20 docs on file
- Reference
- N/2009/0516
We flagged 2 things worth checking at 25 Alsace Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 25 Alsace Close was the highest on Land Registry record across the postcode.
£551,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 13 years.
£510,000
Growth on file: 6.4% per year over 13 years.
Sales timeline
13 July 2022Most recent
£510,000
+129.2%over 13 years25 March 2009
£222,500
Median price across the last 5 sales in NN5 6HX: £355,000 (2024–2019).
Nearby sales in NN5 6HX
Everything we know about 25 Alsace Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Alsace Close homes
Floor Area for 25 Alsace Close runs comfortably ahead of the street norm.
Price per m²
£3,018
Street avg £2,643
Floor Area
169 m²
Street avg 116 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.7 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Rochelle Way — bus stop.
Closest school
0.9 km
Duston Eldean Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.4dB

Night-time· 23:00 – 07:00
37.1dB