12 Sunderland Street, Northampton, NN5 5ES
About 12 Sunderland Street
12 Sunderland Street is a three-bedroom mid-terrace house in Northampton (NN5 5ES). It has a recorded floor area of 18 m² (around 194 sq ft), construction records dating it to 2012 onwards and council tax band A. Tenure is freehold. At 18 m² this is the smallest unit on EPC record across the building (18–121 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2023) shows a C (score 74). When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity.
At 18 m² it sits well below the postcode median (78 m² across 30 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2000–2017, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £199,000 is 24% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£828/sq ft) was about 532.3% above the typical sold price in the postcode. 9 years since the last transfer (October 2017).
Know exactly what you're buying at 12 Sunderland Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Outside
- Private gardenYes
- GarageYes
Building
- TenureFreehold
- Heating systemElectric
Energy performance
12 Sunderland Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Window efficiency improved
Cavity wall insulation installed
Planning history
12 Sunderland Street has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 12 Sunderland Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Price for 12 Sunderland Street has grown more than fourfold since the 2000 starting point.
£199,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 18 years.
£160,500
Growth on file: 8.9% per year over 18 years.
Sales timeline
30 October 2017Most recent
£160,500
+68.1%over 13 years1 April 2004
£95,500
+172.9%over 4 years14 January 2000
£35,000
Median price across the last 5 sales in NN5 5ES: £190,000 (2024–2022).
Nearby sales in NN5 5ES
23 Sunderland Street, Northampton, NN5 5ES
Sold May 2024
£185,00011 Sunderland Street, Northampton, NN5 5ES
Sold May 2023
£165,00028 Sunderland Street, Northampton, NN5 5ES
Sold Mar 2023
£190,00019 Sunderland Street, Northampton, NN5 5ES
Sold Aug 2022
£196,50025 Sunderland Street, Northampton, NN5 5ES
Sold Jul 2022
£195,000
Everything we know about 12 Sunderland Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Sunderland Street homes
12 Sunderland Street outperforms the street on epc rating by a wide margin.
EPC Rating
74 (C)
Street avg 60 (D)
Floor Area
18 m²
Street avg 25 m²
CO₂ Emissions
1.1 t/year
Street avg 1.9 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Newcombe Road — bus stop.
Closest school
0.2 km
St James Church of England Primary School. 30 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.1dB

Night-time· 23:00 – 07:00
44.3dB