31 Underwood House, Gregory Gardens, Northampton, NN3 2BF
About 31 Underwood House
31 Underwood House is a two-bedroom detached house in Northampton (NN3 2BF). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (December 2021) shows a C (score 73). When first surveyed in October 2010 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 81). Main heating runs on electricity. At 56 m² this is the 11th smallest of 15 units on EPC record in the building, where floor areas span 46–67 m². The building's EPC ratings span D to B across 15 units on file.
Untraded for 16 years, with the last transfer in October 2010. Today's modelled estimate of £134,000 is 48.9% above the 2010 sale price.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- CloakroomYes
Outside
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
31 Underwood House has no planning applications on record.
But the area is active
22 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
31 Underwood House valuation sits well clear of the typical sold price in this postcode.
£134,000
Modelled from EPC, postcode comparables.
£90,000
Recorded with HM Land Registry.
Sales timeline
24 October 2010Most recent
£90,000
Median price across the last 5 sales in NN3 2BF: £135,000 (2025–2023).
Nearby sales in NN3 2BF
32 Weston House, Gregory Gardens, Northampton, NN3 2BF
Sold Apr 2025
£135,00029 Foley House, Gregory Gardens, Northampton, NN3 2BF
Sold Dec 2024
£130,00035 Underwood House, Gregory Gardens, Northampton, NN3 2BF
Sold Sept 2024
£132,50012 Gregory Gardens, Northampton, NN3 2BF
Sold Dec 2023
£227,50042 Weston House, Gregory Gardens, Northampton, NN3 2BF
Sold Aug 2023
£140,000
Versus other Gregory Gardens homes
31 Underwood House outperforms the street on years held by a wide margin.
Price per m²
£1,607
Street avg £2,019
Floor Area
56 m²
Street avg 55 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 1.9 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Buttermere Close — bus stop.
Closest school
0.1 km
St Gregory's Catholic Primary School. 37 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
49.9dB

Night-time· 23:00 – 07:00
39.4dB







