5 Lapstone House, Byfield Road, Northampton, NN5 5HF
About 5 Lapstone House
5 Lapstone House is an end-of-terrace house in Northampton (NN5 5HF). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 6 certificates since August 2010. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.
It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).
Know exactly what you're buying at 5 Lapstone 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
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
5 Lapstone House has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 5 Lapstone 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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
5 Lapstone House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£114,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 4 sales in NN5 5HF: £53,000 (2016–2000).
Everything we know about 5 Lapstone 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
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Byfield Road homes
5 Lapstone House is notably below the street on epc rating.
EPC Rating
66 (D)
Street avg 72 (C)
Floor Area
46 m²
Street avg 46 m²
CO₂ Emissions
2.2 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
1 Lapstone House, Byfield Road
NN5 5HF
1 Lincoln House, Lincoln Road
NN5 5JS
1 Eyeletter House, Greenwood Road
NN5 5EG
1 Devonshire House, Alma Street
NN5 5LY
1 Caledonian House, Argyle Street
NN5 5JG
1 First Lane
NN5 5FD
1 Far End
NN5 5FN
1 Lincoln Road
NN5 5JS
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bus Depot — bus stop.
Closest school
0.6 km
St James Church of England Primary School. 31 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
53.1dB
Night-time· 23:00 – 07:00
44.0dB