20 Old School Lane, Blakesley, Towcester, NN12 8RS
About 20 Old School Lane
20 Old School Lane is a four-bedroom detached house in Blakesley, Towcester, Towcester (NN12 8RS). It has a recorded floor area of 140 m² (around 1503 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2011) shows an F (score 38), near the bottom of the EPC scale. The recommended improvements would push it to E (score 52). Main heating runs on oil. The latest certificate is from June 2011, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include partial demolition, an extension and a porch, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Today's modelled estimate of £627,000 is 30.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 34.2% above the typical sold price in the postcode. Last sold in January 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 20 Old School Lane
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
- Dining roomYes
- EnsuiteYes
Outside
- GarageDouble
Building
- RefurbishedYes
Energy performance
20 Old School Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jun 2021
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jun 2016DemolitionFullIn report
Demolition of existing garage, erection of gates 1.8M height and fencing 1.8M high to enclose property
- Documents
- 15 docs on file
- Reference
- S/2016/0889/FUL
- Feb 2010PorchFullIn report
Extension: Side of property
Demolition of existing porch link, utility/conservatory and detached garage, erection of new porch on front (west) elevation and two storey extension on side (north) elevation, plus installation of new gates onto lane running down rear (east) of dwelling
ExtensionDemolition- Documents
- 6 docs on file
- Reference
- S/2009/1262/FUL
We flagged 1 thing worth checking at 20 Old School Lane
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
20 Old School Lane valuation sits well clear of the typical sold price in this postcode.
£627,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.5% per year over 8 years.
£480,000
Growth on file: -0.5% per year over 8 years.
Sales timeline
15 January 2016Most recent
£480,000
-4.0%over 8 years15 October 2007
£500,000
Median price across the last 5 sales in NN12 8RS: £315,000 (2025–2021).
Nearby sales in NN12 8RS
4c, Old School Lane, Blakesley, Towcester, NN12 8RS
Sold Jul 2025
£295,00021 Old School Lane, Blakesley, Towcester, NN12 8RS
Sold Aug 2024
£192,50039 Old School Lane, Blakesley, Towcester, NN12 8RS
Sold Dec 2023
£485,00025 Old School Lane, Blakesley, Towcester, NN12 8RS
Sold Jun 2022
£315,00040 Old School Lane, Blakesley, Towcester, NN12 8RS
Sold Apr 2021
£605,000
Everything we know about 20 Old School Lane, 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

Versus other Old School Lane homes
Habitable Rooms for 20 Old School Lane runs comfortably ahead of the street norm.
Price per m²
£3,437
Street avg £3,126
Floor Area
140 m²
Street avg 139 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 9.1 t/year
Similar properties nearby
1 Acorn Way, Silverstone
NN12 8DQ
1 Bengal Lane, Greens Norton
NN12 8BE
1 Baines Close, Silverstone
NN12 8DG
1 Birds Hill Road, Eastcote
NN12 8NF
1 Brabham Close, Silverstone
NN12 8UL
1 Bradden Road, Greens Norton
NN12 8BS
1 Blakesley Hill, Greens Norton
NN12 8BP
1 Barn Yard, Silverstone
NN12 8WT
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
0.2 km
Shop — bus stop.
Closest school
0.3 km
Blakesley Church of England Primary School. 1 school 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
44.3dB

Night-time· 23:00 – 07:00
36.1dB