Area guide
Everything you need to know about buying property in the SN15 postcode area, covering Chippenham and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.
Average price
£238,790
Median price
£230,000
5-year trend
+69.9%
Total sales
21,456
The SN15 area has 1,059 individual postcodes with 21,456 registered sales. Prices are +39.8% below the national average, with the largest concentration in Chippenham. The five-year price movement is +69.9%.
With an average of £238,790, SN15 is a mid-range area, +39.8% below the national average. Mid-range areas typically offer a broad selection of property types for first-time buyers and second-steppers. The dataset includes 21,456 recorded sales across 1,059 postcodes.
The five-year price trend in SN15 is +69.9%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.
SN15 3YA
£113,133 avg · 161 sales
SN15 3QJ
£194,343 avg · 159 sales
SN15 5LJ
£242,111 avg · 157 sales
SN15 3GU
£221,539 avg · 146 sales
SN15 4TR
£140,138 avg · 143 sales
SN15 4AD
£135,102 avg · 141 sales
SN15 3GQ
£285,383 avg · 131 sales
SN15 3UT
£102,545 avg · 129 sales
SN15 4AN
£126,563 avg · 129 sales
This SN15 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.
Data last updated: July 2026 · View methodology
The average sold price in the SN15 postcode area is £238,790, based on 21,456 HM Land Registry transactions. The largest town in this area is Chippenham.
Properties in SN15 average £238,790, which is +39.8% below the national average of £396,803 for England and Wales.
SN15 is +39.8% below the national average of £396,803 for England and Wales. With 1,059 postcodes, there is a wide range of property options and price points within this area.
Prices in SN15 have moved +69.9% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.
No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.
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