1 Deal Street, Northampton, NN1 3HS
About 1 Deal Street
1 Deal Street is a one-bedroom detached house in Northampton (NN1 3HS). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1967-1975 and council tax band A. At 47 m² this is the 7th smallest of 36 units on EPC record in the building, where floor areas span 44–97 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (October 2024) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2012. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would push it to C (score 74).
Most recent transfer was February 2025 at £115,000 — fresh data. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2018–2025, sale prices on this property compounded at 3.1% per year. On a £-per-square-foot basis, the last sale (£227/sq ft) was about 95% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenFront and rear
- ParkingOff road
Building
- RefurbishedYes
Everything you need to know about 1 Deal Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 24 October 2034
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
1 Deal 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
Latest sale on 1 Deal Street was the highest on Land Registry record across the postcode.
£124,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 7 years.
£115,000
Growth on file: 3.1% per year over 7 years.
Sales timeline
17 February 2025Most recent
£115,000
+23.0%over 6 years7 May 2018
£93,500
Median price across the last 5 sales in NN1 3HS: £68,000 (2014–2002).
Versus other Deal Street homes
EPC Rating for 1 Deal Street lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 75 (C)
Floor Area
47 m²
Street avg 51 m²
CO₂ Emissions
2.4 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 1 Deal Street
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
NIA Academy — bus stop.
Closest school
0.2 km
Castle Academy. 29 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
53.3dB

Night-time· 23:00 – 07:00
43.2dB






