Postcode district report · August 2026

SN3, Swindon

SN3 is the 4th Hapiest of Swindon's 8 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport.

Homes sold
621
in the 12 months to August 2026
Median price
£287,000
-1.0% on the year before
Price per m²
£3,440
median, homes with an EPC
Flats
10%
of homes sold

SN3 on the HPAI Swatch

Each tile ranks SN3 against the other postcode districts of Swindon.

Price per m²£3,440/m² 4th of 8
Price change-1.0% 6th of 8
Sales a year621 a year 1st of 8
Sales change-10.2% 5th of 8
Energy efficiency70 EPC score 6th of 8
Carbon3.1 t CO₂ a home 7th of 8
Station nearby3.2 km 4th of 7
Yellow the best in Swindon Green above average Blue below average Purple weakest in Swindon

Yellow is Hapi: the more yellow, the better SN3 compares with the rest of Swindon. These colours compare postcode districts within Swindon; Swindon's own Swatch compares it with areas across England and Wales.

Swindon's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 SN26 23£427,000 +12.4%
2 SN5 307£260,000 +2.8%
3 SN25 593£290,000 -0.9%
4 SN3 621£287,000 -1.0%
5 SN2 430£245,500 +0.2%
6 SN4 155£345,000 -2.1%
7 SN6 104£307,500 +0.0%
8 SN1 362£230,000 -4.2%

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About these figures

Price per m²
Median price per square metre of homes sold in the last 12 months (homes with an EPC).
Price change
Median price in the last 12 months against the 12 months before.
Sales a year
Open-market sales in the last 12 months. More sales means a deeper, easier market.
Sales change
Sales in the 12 months to three months ago against the year before. The newest months are left out: Land Registry registers sales late.
Energy efficiency
Average EPC energy efficiency score of homes sold (higher is more efficient).
Carbon
Average carbon emissions of homes sold, tonnes a year. Lower is better.
Station nearby
Median distance from homes sold to the nearest railway station. Closer is better.

Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Swindon only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Swindon aren't ranked.