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 (77 m² across 11 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 59.8% 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
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- Every decision — granted, refused or withdrawn (1 on record)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 42 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.
£332,000
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 £1,656
Floor Area
159 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.3 t/year
Street avg 4.4 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
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
0.1 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






