12 Collswell Lane, Blakesley, Towcester, NN12 8RB
About 12 Collswell Lane
12 Collswell Lane is a semi-detached house in Blakesley, Towcester, Towcester (NN12 8RB). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (January 2018) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 85), a 4-band jump. Main heating runs on smokeless coal.
Today's modelled estimate of £434,000 is 21.1% below the 2018 sale of £550,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£440/sq ft) was about 84.6% above the typical sold price in the postcode. 5 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a porch and solar panel installation, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Most recent transfer: November 2018 at £550,000.
Know exactly what you're buying at 12 Collswell 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
Energy performance
12 Collswell Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning records include a solar-panel installation at 12 Collswell Lane.
- Sept 2025PorchConditionsIn report
Variation of Condition 2 (Plan) for front & side porch alterations to 2023/5424/FULL ( 2-storey front extension to dwellingForm new porches over existing South and West entrances. New timber store northwest of dwelling. Internal layout alterations. Install PV panels to west roof slopes of garage and front extension. Install conservation roof windows to west slope of garage and north slope of dwelling. Convert garage to garden room and home gym. Raise garage roof to form first floor for new home office. Single-storey extension to north of garage. Landscaping alterations to form patio off garden room).
ExtensionSolar Panels- Documents
- 14 docs on file
- Reference
- 2025/1668/S73
- Feb 2025PorchAmendmentIn report
Non-material amendment to alter style of new front and side porches of 2023/5424/FULL (2-storey front extension to dwelling. Form new porches over existing South and West entrances. New timber store northwest of dwelling. Internal layout alterations. Install PV panels to west roof slopes of garage and front extension. Install conservation roof windows to west slope of garage and north slope of dwelling. Convert garage to garden room and home gym. Raise garage roof to form first floor for new home office. Single-storey extension to north of garage. Landscaping alterations to form patio off garden room.)
ExtensionSolar Panels- Documents
- 7 docs on file
- Reference
- 2025/0194/NMA
We flagged 1 thing worth checking at 12 Collswell 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
12 Collswell Lane valuation sits well clear of the typical sold price in this postcode.
£434,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
Sales timeline
28 November 2018Most recent
£550,000
Median price across the last 5 sales in NN12 8RB: £303,000 (2021–2018).
Nearby sales in NN12 8RB
6 Collswell Lane, Blakesley, Towcester, NN12 8RB
Sold Sept 2021
£303,0002 Collswell Lane, Blakesley, Towcester, NN12 8RB
Sold Nov 2020
£455,0001 Collswell Lane, Blakesley, Towcester, NN12 8RB
Sold Sept 2020
£940,0001a, Collswell Lane, Blakesley, Towcester, NN12 8RB
Sold Mar 2018
£302,0001b, Collswell Lane, Blakesley, Towcester, NN12 8RB
Sold Jan 2018
£275,000
Everything we know about 12 Collswell 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 Collswell Lane homes
12 Collswell Lane is notably below the street on epc rating.
Price per m²
£4,741
Street avg £3,435
Floor Area
116 m²
Street avg 131 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
17.0 t/year
Street avg 8.1 t/year
Similar properties nearby
1 Birds Hill Road, Eastcote
NN12 8NF
1 Baines Close, Silverstone
NN12 8DG
1 Blakesley Hill, Greens Norton
NN12 8BP
1 Brookside, Wappenham
NN12 8SS
1 Brabham Close, Silverstone
NN12 8UL
1 Bengal Cottages, Bengal, Greens Norton
NN12 8BG
1 Bengal, Greens Norton
NN12 8BG
1 Benham Road, Greens Norton
NN12 8DB
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
0.3 km
Demand Responsive Area — bus stop.
Closest school
0.2 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
44.5dB
Night-time· 23:00 – 07:00
36.3dB