21 Deal Street, Northampton, NN1 3HS
About 21 Deal Street
21 Deal Street is a one-bedroom mid-terrace house in Northampton (NN1 3HS). It has a recorded floor area of 47 m² (around 510 sq ft), construction records dating it to 1967-1975 and council tax band A. At 47 m² this is the 10th smallest of 35 units on EPC record in the building, where floor areas span 42–97 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (59 versus a best of 79). Other recorded features include a balcony. The latest certificate (February 2011) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from February 2011, so improvements made since then won't be reflected.
Across 1996–2014, sale prices on this property compounded at 7% per year. Today's modelled estimate of £114,000 sits 67.6% above the 2014 sale of £68,000. Last sold in March 2014, so it's been off the market for around 12 years. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).
What this property has
Inside
- Bedrooms1
Outside
- ParkingYes
- BalconyYes
Building
- Heating systemGas
- RefurbishedYes
Everything you need to know about 21 Deal Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Deal Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Feb 2021
EPC Rating
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Planning history
21 Deal Street has no planning applications on record.
But the area is active
42 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Deal Street has more than tripled in price since its earliest registered sale in 1996.
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 18 years.
£68,000
Growth on file: 7.0% per year over 18 years.
Sales timeline
28 March 2014Most recent
£68,000
-6.8%over 5 years6 May 2008
£73,000
+0.7%over 2 years14 August 2005
£72,500
+262.5%over 9 years22 January 1996
£20,000
Median price across the last 5 sales in NN1 3HS: £61,000 (2025–2000).
Versus other Deal Street homes
21 Deal Street is notably below the street on epc rating.
EPC Rating
59 (D)
Street avg 74 (C)
Floor Area
47 m²
Street avg 50 m²
CO₂ Emissions
3.3 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 21 Deal Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
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
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