21 Briton Road, Northampton, NN3 2BS
About 21 Briton Road
21 Briton Road is a semi-detached house in Northampton (NN3 2BS). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (April 2026) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in November 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition.
One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 20 April 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Roof insulation improved
More low energy lighting installed
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 £885 · Includes VAT
Planning history
21 Briton Road has an approved extension on the planning record.
1 application on record at 21 Briton Road, Northampton, NN3 2BS
- Oct 2020ExtensionOutlineOutcome in report
Prior Notification of Larger Home Extension. Dimensions a) 6.00m b) 3.10m c) 2.91m
- Documents
- 6 docs on file
- Reference
- N/2020/1105
Unlock 21 Briton Road, Northampton, NN3 2BS's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 22 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Briton Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£219,000
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 5 sales in NN3 2BS: £245,000 (2025–2023).
Nearby sales in NN3 2BS
Versus other Briton Road homes
On co₂ emissions, 21 Briton Road stands well clear of the street.
EPC Rating
66 (D)
Street avg 63 (D)
Floor Area
88 m²
Street avg 97 m²
CO₂ Emissions
2.6 t/year
Street avg 4.2 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
461/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Briton Road — bus stop.
Closest school
0.4 km
Cedar Road Primary School. 34 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
42.8dB







