Model valuation£417,0008 Busby Close
Local market context
Estimated value
£311,000
Newest record on this page: February 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£311,000
Your note and figure are shown publicly on this page.
The estimate for 21 Donaldson Avenue is modelled from its 128 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in NN14 1NP. 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
128 m² from the EPC lodged in October 2015
Sales of this home
2 sales recorded, the latest in 1999
Recent sales in NN14 1NP
5 sales, median £295,000 (2025–2019)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: February 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 |
21 Donaldson Avenue's modelled value sits at over four times its earliest registered sale price (1998).
3 February 1999Most recent
£65,000
-8.5%27 August 1998
£71,000
Median price across the last 5 sales in NN14 1NP: £295,000 (2025–2019).
19 Donaldson Avenue, Broughton, Kettering, NN14 1NP
Sold Feb 2025
3 Donaldson Avenue, Broughton, Kettering, NN14 1NP
Sold Jan 2025
18 Donaldson Avenue, Broughton, Kettering, NN14 1NP
Sold Jun 2022
26 Donaldson Avenue, Broughton, Kettering, NN14 1NP
Sold Jun 2019
2 Donaldson Avenue, Broughton, Kettering, NN14 1NP
Sold Nov 2012
One time fee only - money back guarantee
21 Donaldson Avenue is a four-bedroom detached house in Broughton, Kettering, Kettering (NN14 1NP). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (October 2015) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2008. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.
Held since February 1999 — that's 28 years off the open market, well above the local norm. Across 1998–1999, sale prices on this property compounded at -8.5% per year. Today's modelled estimate of £311,000 sits 378.5% above the 1999 sale of £65,000. On a £-per-square-foot basis, the last sale (£47/sq ft) was about 67.3% below the postcode norm.
21 Donaldson Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 30 Oct 2025
Certificate validity
Expired on 30 October 2025
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
21 Donaldson Avenue has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
21 Donaldson Avenue is notably below the street on price per m².
Price per m²
£508
Street avg £2,032
Floor Area
128 m²
Street avg 124 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.5 t/year
Street avg 4.9 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
172/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Donaldson Avenue — bus stop.
Closest school
0.7 km
Broughton Primary School. 3 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
49.5dB

Night-time· 23:00 – 07:00
41.0dB
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