27 Carstairs Avenue, Swindon, SN3 2DE
About 27 Carstairs Avenue
27 Carstairs Avenue is a mid-terrace house in Swindon (SN3 2DE). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (June 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in April 2014 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Poor to Very Good and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 79).
Across 2000–2021, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £239,000 sits 63.7% above the 2021 sale of £146,000. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 29% above the typical sold price in the postcode. Last sale on file: £146,000 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
27 Carstairs Avenue has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£239,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 21 years.
£146,000
Growth on file: 4.2% per year over 21 years.
Sales timeline
10 August 2021Most recent
£146,000
+143.5%over 21 years3 March 2000
£59,950
Median price across the last 5 sales in SN3 2DE: £185,000 (2024–2016).
Nearby sales in SN3 2DE
Versus other Carstairs Avenue homes
27 Carstairs Avenue is notably below the street on years held.
Price per m²
£1,678
Street avg £1,739
Floor Area
87 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Trentham Close — bus stop.
Closest school
0.4 km
Oaktree Nursery and Primary School. 26 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
52.7dB

Night-time· 23:00 – 07:00
43.0dB







