9 Lapstone House, Byfield Road, Northampton, NN5 5HF
About 9 Lapstone House
9 Lapstone House is a one-bedroom 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 (March 2015) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since March 2010. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The latest certificate is from March 2015, so improvements made since then won't be reflected.
Untraded for 24 years, with the last transfer in August 2002. Across 2000–2002, sale prices on this property compounded at 15.3% per year. Today's modelled estimate of £114,000 sits 159.1% above the 2002 sale of £44,000. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).
Know exactly what you're buying at 9 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
What this property has
Inside
- Bedrooms1
Energy performance
9 Lapstone House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Mar 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
More low energy lighting installed
Wall insulation improved
Heating controls changed
Planning history
9 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 9 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
9 Lapstone House's estimated value is more than triple its earliest registered sale price (2000).
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.3% per year over 2 years.
£44,000
Growth on file: 15.3% per year over 2 years.
Sales timeline
15 August 2002Most recent
£44,000
+35.4%over 2 years29 June 2000
£32,500
Median price across the last 2 sales in NN5 5HF: £73,250 (2016–2004).
Nearby sales in NN5 5HF
Everything we know about 9 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
On epc rating, 9 Lapstone House runs well behind the street norm.
EPC Rating
64 (D)
Street avg 72 (C)
Floor Area
46 m²
Street avg 46 m²
CO₂ Emissions
2.5 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
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