40b, Barrowby Gate, Swindon, SN3 4UH
About 40b
40b is a five-bedroom detached house in Swindon (SN3 4UH). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (November 2022) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2009. Between certificates, roof efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80).
At 153 m² the property is well over the postcode median (78 m² across 39 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2011–2023, sale prices on this property compounded at 5.9% per year. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 78.7% above the typical sold price in the postcode. Most recent transfer: January 2023 at £557,500.
What this property has
Inside
- Bedrooms5
- Bathrooms3
Everything you need to know about 40b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
40b's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
40b has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 40b was the highest on Land Registry record across the postcode.
£548,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 11 years.
£557,500
Growth on file: 5.9% per year over 11 years.
Sales timeline
26 January 2023Most recent
£557,500
+92.2%over 11 years18 August 2011
£290,000
Median price across the last 5 sales in SN3 4UH: £285,000 (2025–2024).
Versus other Barrowby Gate homes
40b is notably below the street on co₂ emissions.
Price per m²
£3,644
Street avg £2,629
Floor Area
153 m²
Street avg 90 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.9 t/year
Street avg 3.5 t/year
Everything you need to know about 40b
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rat Trap — bus stop.
Closest school
0.4 km
Grange Infants' 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
55.7dB
Night-time· 23:00 – 07:00
48.0dB