28a, Somerset Street, Northampton, NN1 3LW
About 28a
28a is a four-bedroom detached house in Northampton (NN1 3LW). It has a recorded floor area of 246 m² (around 2648 sq ft) and construction records dating it to before 1900. The latest certificate (September 2017) shows a C (score 80), near the top of the C band. When first surveyed in December 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Good to Very Good, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Average. The recommended improvements would push it to B (score 83). Other recorded features include a basement. Period features are noted in the property record.
At 246 m² the property is well over the postcode median (74 m² across 63 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include solar panel installation, change of use to residential and subdivision, meaningful when judging how the property has evolved. Across 2002–2020, sale prices on this property compounded at 12.2% per year. Today's modelled estimate of £448,000 is 17.9% above the 2020 sale price. Most recent transfer: February 2020 at £380,000.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
- BasementYes
Outside
- GarageYes
Building
- Period featuresYes
- RefurbishedYes
Everything you need to know about 28a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Cavity wall insulation installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
5 applications on record at 28a, Somerset Street, Northampton, NN1 3LW
- Nov 2005Change of UseFullOutcome in report
CHANGE OF USE FROM FACTORY TO DWELLING
- Documents
- 11 docs on file
- Reference
- N/2005/1235
- More recent applications — locked
- Solar PanelsOct 2015Decision
- AmendmentOct 2012Decision
+ 2 more applications in the report
Unlock 28a, Somerset Street, Northampton, NN1 3LW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 42 notable nearby
- The 80 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 28a was the highest on Land Registry record across the postcode.
£448,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.2% per year over 18 years.
£380,000
Growth on file: 12.2% per year over 18 years.
Sales timeline
12 February 2020Most recent
£380,000
+216.7%over 9 years25 March 2010
£120,000
+140.0%over 7 years2 July 2002
£50,000
Median price across the last 5 sales in NN1 3LW: £193,000 (2025–2024).
Nearby sales in NN1 3LW
54 Somerset Street, Northampton, NN1 3LW
Sold May 2025
£230,0001a, Somerset Street, Northampton, NN1 3LW
Sold Mar 2025
£120,00038 Somerset Street, Northampton, NN1 3LW
Sold Oct 2024
£185,0008 Somerset Street, Northampton, NN1 3LW
Sold Jul 2024
£193,00063 Somerset Street, Northampton, NN1 3LW
Sold Jul 2024
£227,500
Versus other Somerset Street homes
28a outperforms the street on floor area by a wide margin.
Price per m²
£1,545
Street avg £1,879
Floor Area
246 m²
Street avg 75 m²
CO₂ Emissions
0.0 t/year
Street avg 3.3 t/year
Years Held
6 years
Street avg 11 years
Everything you need to know about 28a
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising 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






