Model valuation£417,0008 Busby Close
Local market context
Estimated value
£244,000
Newest record on this page: July 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£244,000
Your note and figure are shown publicly on this page.
The estimate for 21 Colbourne Street is modelled from its 89 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in SN1 2EQ. 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
89 m² from the EPC lodged in July 2026
Sales of this home
3 sales recorded, the latest in 2009
Recent sales in SN1 2EQ
5 sales, median £200,000 (2026–2024)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: February 2026 | 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 Colbourne Street has more than doubled in price since the earliest registered sale in 1998.
6 November 2009Most recent
£130,000
+46.1%over 8 years29 March 2001
£89,000
+58.9%over 2 years23 July 1998
£56,000
Median price across the last 5 sales in SN1 2EQ: £200,000 (2026–2024).
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21 Colbourne Street is a four-bedroom mid-terrace house in Swindon (SN1 2EQ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2026) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in May 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1998–2009, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £244,000 sits 87.7% above the 2009 sale of £130,000. 4 bedrooms is on the larger side for this postcode, where 2 is the typical count.
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 8 July 2036
Changes detected from historical EPC data
Fuel source changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
21 Colbourne Street has no planning applications on record.
But the area is active
14 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
21 Colbourne Street is notably below the street on price per m².
Price per m²
£1,461
Street avg £2,135
Floor Area
89 m²
Street avg 75 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.5 t/year
Rail-style transport is unusually close for this postcode.
Crime
380/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
County Road Corner — bus stop.
Closest school
0.6 km
Gorse Hill Primary School. 40 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
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Night-time· 23:00 – 07:00
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Get a survey for this property
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
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