15 Ashtree Way, Northampton, NN5 6HT
About 15 Ashtree Way
15 Ashtree Way is a three-bedroom semi-detached house in Northampton (NN5 6HT). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (April 2025) shows a C (score 71). When first surveyed in April 2010 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
At 88 m² the property is well over the postcode median (59 m² across 6 EPCs), placing it in the larger end of the local stock. Across 2010–2014, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £335,000 sits 52.3% above the 2014 sale of £220,000. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. 12 years since the last transfer (February 2014).
Know exactly what you're buying at 15 Ashtree Way
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
- Bedrooms3
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Heating systemGas
- Previously extendedYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
Planning history
15 Ashtree Way has an approved single-storey side extension on the planning record.
- Aug 2010ExtensionFullIn report
Extension: Single storey · Side of property
Single storey side extension with pitched roof to rear.
- Documents
- 12 docs on file
- Reference
- N/2010/0600
We flagged 2 things worth checking at 15 Ashtree Way
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
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Sales history & valuation
15 Ashtree Way valuation sits well clear of the typical sold price in this postcode.
£335,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 4 years.
£220,000
Growth on file: 9.6% per year over 4 years.
Sales timeline
6 February 2014Most recent
£220,000
+40.6%over 3 years18 May 2010
£156,500
Median price across the last 5 sales in NN5 6HT: £272,000 (2025–2018).
Nearby sales in NN5 6HT
Everything we know about 15 Ashtree Way, 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 Ashtree Way homes
On price per m², 15 Ashtree Way runs well behind the street norm.
Price per m²
£2,500
Street avg £2,963
Floor Area
88 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.2 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
0.1 km
The Squirrels PH — bus stop.
Closest school
0.5 km
Millway Primary School. 19 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
49.8dB

Night-time· 23:00 – 07:00
39.2dB