3 Robert Street, Northampton, NN1 3BL
About 3 Robert Street
3 Robert Street is a two-bedroom mid-terrace house in Northampton (NN1 3BL). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (March 2024) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2022. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 78).
At 159 m² the property is well over the postcode median (79 m² across 13 EPCs), placing it in the larger end of the local stock. One planning record on file: HMO conversion approved in 2025. Past consents include HMO conversion, meaningful when judging how the property has evolved. Across 1999–2024, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 63% above the typical sold price in the postcode. Sold October 2024 for £317,500.
What this property has
Inside
- Bedrooms2
- Bathrooms2
Everything you need to know about 3 Robert Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
3 Robert Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 20 March 2034
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
1 application on record at 3 Robert Street, Northampton, NN1 3BL
- Feb 2025HMOFullOutcome in report
Change of use from a dwellinghouse (Use Class C3) into a HMO for 6no. occupants (Use Class C4)
- Documents
- 25 docs on file
- Reference
- 2024/3483/FULL
Unlock 3 Robert Street, Northampton, NN1 3BL's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 39 notable nearby
- The 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 3 Robert Street was the highest on Land Registry record across the postcode.
£327,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 26 years.
£317,500
Growth on file: 4.2% per year over 26 years.
Sales timeline
6 October 2024Most recent
£317,500
+9.5%over 2 years21 April 2022
£290,000
+31.8%over 15 years21 September 2006
£220,000
+9.5%over 2 years29 July 2004
£201,000
+3.6%over 7 months19 December 2003
£194,000
+45.9%over 1 year28 March 2002
£133,000
+20.9%over 3 years1 February 1999
£110,000
Median price across the last 5 sales in NN1 3BL: £172,000 (2022–2019).
Nearby sales in NN1 3BL
Versus other Robert Street homes
Years Held for 3 Robert Street lags the street by a wide margin.
Price per m²
£1,997
Street avg £1,703
Floor Area
159 m²
Street avg 98 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.3 t/year
Street avg 4.2 t/year
Everything you need to know about 3 Robert Street
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Police Station — bus stop.
Closest school
0.4 km
Castle Academy. 31 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
53.9dB

Night-time· 23:00 – 07:00
43.9dB






