Model valuation£417,0008 Busby Close
Local market context
Estimated value
£309,000
Newest record on this page: October 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£309,000
Your note and figure are shown publicly on this page.
The estimate for 12 Gloucester Avenue is modelled from its 97 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in NN4 8QE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Floor area
97 m² from the EPC lodged in August 2025
Sales of this home
4 sales recorded, the latest in 2014
Recent sales in NN4 8QE
5 sales, median £307,000 (2025–2023)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: October 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | None on this home | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sale price has grown by over 3x since 1997.
22 December 2014Most recent
£199,500
+9.6%over 8 years14 September 2006
£182,000
+65.5%over 4 years25 April 2002
£110,000
+77.6%over 4 years8 May 1997
£61,950
Median price across the last 5 sales in NN4 8QE: £307,000 (2025–2023).
1 Gloucester Avenue, Northampton, NN4 8QE
Sold Oct 2025
4 Gloucester Avenue, Northampton, NN4 8QE
Sold Jun 2025
9 Gloucester Avenue, Northampton, NN4 8QE
Sold May 2025
21 Gloucester Avenue, Northampton, NN4 8QE
Sold Nov 2024
17 Gloucester Avenue, Northampton, NN4 8QE
Sold Aug 2023
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12 Gloucester Avenue is a three-bedroom semi-detached house in Northampton (NN4 8QE). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2012 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Good to Very Good and hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72). Records show the property has been extended at some point in its history.
Across 1997–2014, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £309,000 sits 54.9% above the 2014 sale of £199,500. 12 years since the last transfer (December 2014). Across the public record there are 4 sales, relatively high churn for a single property.
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Certificate validity
Valid until 24 August 2035
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
More low energy lighting installed
Mechanical ventilation installed
Heating controls changed
Low energy lighting percentage decreased
Ventilation system changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
12 Gloucester Avenue 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.
Price per m² for 12 Gloucester Avenue lags the street by a wide margin.
Price per m²
£2,057
Street avg £2,771
Floor Area
97 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.7 t/year
Crime
339/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Gloucester Avenue — bus stop.
Closest school
0.3 km
The Abbey Primary School. 22 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

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Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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