21 Samwell Lane, Upton, Northampton, NN5 4DB
About 21 Samwell Lane
21 Samwell Lane is a three-bedroom end-of-terrace house in Upton, Northampton, Northampton (NN5 4DB). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (October 2024) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (May 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 91).
11 years since the last transfer (July 2015). Across 2010–2015, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £262,000 is 42.4% above the 2015 sale price.
Know exactly what you're buying at 21 Samwell 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
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff road
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Solar water heating installed
Planning history
21 Samwell Lane has no planning applications on record.
Notable planning nearby
13applications of note in the surrounding area
We flagged 2 things worth checking at 21 Samwell 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.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Samwell Lane valuation sits well clear of the typical sold price in this postcode.
£262,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 5 years.
£184,000
Growth on file: 2.1% per year over 5 years.
Sales timeline
26 July 2015Most recent
£184,000
+11.5%over 5 years10 June 2010
£165,000
Median price across the last 5 sales in NN5 4DB: £270,000 (2025–2022).
Nearby sales in NN5 4DB
69 Samwell Lane, Upton, Northampton, NN5 4DB
Sold Aug 2025
£450,0007 Samwell Lane, Upton, Northampton, NN5 4DB
Sold Oct 2024
£265,00010 Samwell Lane, Upton, Northampton, NN5 4DB
Sold Dec 2022
£275,0009 Samwell Lane, Upton, Northampton, NN5 4DB
Sold Sept 2022
£262,00041 Samwell Lane, Upton, Northampton, NN5 4DB
Sold Aug 2022
£270,000
Everything we know about 21 Samwell 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
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Samwell Lane homes
On floor area, 21 Samwell Lane runs well behind the street norm.
Price per m²
£2,453
Street avg £2,375
Floor Area
75 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
1.7 t/year
Street avg 1.9 t/year
Similar properties nearby
1 Clover Street, Upton
NN5 4BA
1 Barring Mews, Upton
NN5 4DE
1 Bristle Street, Upton
NN5 4ET
1 Clickers Drive
NN5 4ED
1 Austen Close
NN5 4WF
1 Ashby Wood Mews, Upton
NN5 4GZ
1 Baird Avenue, Upton
NN5 4AD
1 Clickers Place
NN5 4EB
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Millway — bus stop.
Closest school
0.2 km
Upton Meadows Primary School. 22 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
54.4dB

Night-time· 23:00 – 07:00
44.5dB