Stoneleigh House, Alderton, Towcester, NN12 7LN
About Stoneleigh House
Stoneleigh House is a detached house in Alderton, Towcester, Towcester (NN12 7LN). It has a recorded floor area of 202 m² (around 2174 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (November 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in May 2009 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Good to Very Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Very Poor. Main heating runs on electricity.
Held since August 2000 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £879,000 sits 160.1% above the 2000 sale of £338,000. One historical planning record sits against the property in 2004.
Know exactly what you're buying at Stoneleigh House
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
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
Roof insulation improved
More low energy lighting installed
Solar PV panels (25 kWp) installed
Planning history
- Aug 2004ConservatoryFullIn report
Extension: Single storey · Rear of property
Single Storey Extension And Conservatory At Rear
Extension- Documents
- 2 docs on file
- Reference
- S/2000/0400/P
We flagged 1 thing worth checking at Stoneleigh House
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Stoneleigh House valuation sits well clear of the typical sold price in this postcode.
£879,000
Modelled from EPC, postcode comparables.
£338,000
Recorded with HM Land Registry.
Sales timeline
24 August 2000Most recent
£338,000
Median price across the last 5 sales in NN12 7LN: £800,000 (2023–2014).
Nearby sales in NN12 7LN
The Round House, Alderton, Towcester, NN12 7LN
Sold Mar 2023
£800,000Glebe Farm, Alderton, Towcester, NN12 7LN
Sold Dec 2021
£840,000The Old Sty, Alderton, Towcester, NN12 7LN
Sold Dec 2014
£307,500Glebe House, Alderton, Towcester, NN12 7LN
Sold Nov 2014
£1,074,000The Rookery, Alderton, Towcester, NN12 7LN
Sold Jun 2010
£600,000
Everything we know about Stoneleigh House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Manor Farm — bus stop.
Closest school
2.6 km
Paulerspury Church of England Primary School. 2 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
43.3dB

Night-time· 23:00 – 07:00
36.1dB