18 Somerset Street, Northampton, NN1 3LW
About 18 Somerset Street
18 Somerset Street is a mid-terrace house in Northampton (NN1 3LW). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (March 2017) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump.
Held since September 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £174,000 sits 286.7% above the 1998 sale of £45,000. On a £-per-square-foot basis, the last sale (£54/sq ft) was about 61.3% below the postcode norm.
Everything you need to know about 18 Somerset Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
18 Somerset Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 22 March 2027
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
18 Somerset Street has no planning applications on record.
But the area is active
39 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Somerset Street's estimated value is more than triple its earliest registered sale price (1998).
£174,000
Modelled from EPC, postcode comparables.
£45,000
Recorded with HM Land Registry.
Sales timeline
3 September 1998Most recent
£45,000
Median price across the last 5 sales in NN1 3LW: £165,000 (2026–2025).
Nearby sales in NN1 3LW
33 Somerset Street, Northampton, NN1 3LW
Sold May 2026
£165,00086 Somerset Street, Northampton, NN1 3LW
Sold Dec 2025
£128,5007 Somerset Street, Northampton, NN1 3LW
Sold Jun 2025
£170,00054 Somerset Street, Northampton, NN1 3LW
Sold May 2025
£230,0001a, Somerset Street, Northampton, NN1 3LW
Sold Mar 2025
£120,000
Versus other Somerset Street homes
18 Somerset Street is notably below the street on price per m².
Price per m²
£577
Street avg £1,912
Floor Area
78 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.2 t/year
Everything you need to know about 18 Somerset Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Grove Road — bus stop.
Closest school
0.7 km
Vernon Terrace Primary School. 30 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.2dB
Night-time· 23:00 – 07:00
42.2dB