12a, Shepperton Close, Great Billing, Northampton, NN3 9NT
About 12a
12a is a detached house in Great Billing, Northampton, Northampton (NN3 9NT). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (October 2013) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2013. Between certificates, roof efficiency went from Average to Good and window efficiency went from Poor to Average; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected.
It hasn't traded since October 1997, a hold of 29 years that's notably long for the area. Across 1996–1997, sale prices on this property compounded at 21.3% per year. Today's modelled estimate of £376,000 sits 266.8% above the 1997 sale of £102,500. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 44.8% below the postcode norm. At 112 m² it's 18.2% smaller than the typical home in the postcode (137 m² median across 14 EPCs).
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Oct 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
Low energy lighting percentage decreased
Solar PV panels (50 kWp) installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
12a has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a's modelled value sits at over four times its earliest registered sale price (1996).
£376,000
Modelled from EPC, postcode comparables and a sale-price growth of 21.3% per year over 2 years.
£102,500
Growth on file: 21.3% per year over 2 years.
Sales timeline
2 October 1997Most recent
£102,500
+38.5%over 1 year26 January 1996
£74,000
Median price across the last 5 sales in NN3 9NT: £420,000 (2025–2020).
Nearby sales in NN3 9NT
21 Shepperton Close, Great Billing, Northampton, NN3 9NT
Sold Jan 2025
£504,00025 Shepperton Close, Great Billing, Northampton, NN3 9NT
Sold Dec 2023
£420,0003 Shepperton Close, Great Billing, Northampton, NN3 9NT
Sold Sept 2021
£430,0006 Shepperton Close, Great Billing, Northampton, NN3 9NT
Sold Aug 2020
£355,00017 Shepperton Close, Great Billing, Northampton, NN3 9NT
Sold Feb 2020
£360,000
Versus other Shepperton Close homes
Price per m² for 12a lags the street by a wide margin.
Price per m²
£915
Street avg £2,041
Floor Area
112 m²
Street avg 143 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 6.0 t/year
Everything you need to know about 12a
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
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Station Road — bus stop.
Closest school
0.5 km
St Andrew's Ceva Primary School. 18 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
53.5dB
Night-time· 23:00 – 07:00
44.2dB