Southgate House 25a, Flat 3, Henry Bird Way, Northampton, NN4 8GE
About Southgate House 25a
Southgate House 25a is a semi-detached house in Northampton (NN4 8GE). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1996-2002. The latest certificate (December 2019) shows a C (score 72). When first surveyed in October 2008 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. At 35 m² this is the 2nd smallest of 5 units on EPC record in Southgate House 25a, where floor areas span 34–91 m².
At 35 m² it sits well below the postcode median (56 m² across 69 EPCs), making it one of the more compact homes locally.
Everything you need to know about Southgate House 25a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Southgate House 25a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
External or internal wall insulation added
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Southgate House 25a has no planning applications on record.
But the area is active
33 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Southgate House 25a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£112,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NN4 8GE: £130,000 (2025–2024).
Nearby sales in NN4 8GE
Flat 9, 21 Henry Bird Way, Northampton, NN4 8GE
Sold Apr 2025
£145,000Flat 16, 27 Henry Bird Way, Northampton, NN4 8GE
Sold Mar 2025
£155,000Flat 4, 21 Henry Bird Way, Northampton, NN4 8GE
Sold Oct 2024
£109,500Becketts Court, Flat 14, 23 Henry Bird Way, Northampton, NN4 8GE
Sold Apr 2024
£112,500Flat 10, 27 Henry Bird Way, Northampton, NN4 8GE
Sold Apr 2024
£130,000
Versus other Henry Bird Way homes
Southgate House 25a is notably below the street on floor area.
EPC Rating
72 (C)
Street avg 77 (C)
Floor Area
35 m²
Street avg 57 m²
CO₂ Emissions
1.5 t/year
Street avg 2.4 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about Southgate House 25a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Old Towcester Road — bus stop.
Closest school
1.0 km
Queen Eleanor Primary Academy. 25 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
55.8dB
Night-time· 23:00 – 07:00
47.2dB