SN3 postcode area house prices
SN3 has an average sold price of £204,336 across 27,398 HM Land Registry transactions covering 1,127 postcodes. The largest town grouping is Swindon.
SN3 at a glance
SN3 postcode area averages £204,336 across 27,398 completed sales covering 1,127 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.
Average £204,336 · Median £165,000 · 27,398 transactions · +30.7% growth · 1,127 postcodes
- Data source
- HM Land Registry
- Updated October 2026
- Sample quality
- High transaction depth
- 27,398 sales across 1,127 postcodes
- Median check
- £165,000
- Mean and median differ — inspect local mix
- Trend signal
- +30.7%
- The five-year price movement is +30.7%.
- Coverage
- 1,127 postcodes
- Largest town: Swindon
SN3 Postcode Area Overview
Postcodes in SN3
Compare postcodes in SN3
Use the location comparison tool to put SN3 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.
Property valuation guide
Estimate a property value in the SN3 area
Professional valuers use recent sold prices as comparable evidence. In the SN3 area, the median sold price is £165,000 and the average is £204,336, based on 27,398 HM Land Registry transactions. Over five years, prices have moved +30.7%, which affects how comparables from earlier years should be weighted.
These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.
Frequently asked questions
What is the average sold price in the SN3 postcode area?
The average sold price in SN3 is £204,336, based on 27,398 HM Land Registry transactions across 1,127 postcodes.
How does SN3 compare to the national average?
SN3 is -48.9% below the England and Wales national average of £400,016.
Are these figures valuations or asking prices?
No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.
How many postcodes does the SN3 area cover?
The SN3 postcode area covers 1,127 individual postcodes with 27,398 registered sales. The largest town grouping is Swindon.
More about SN3
About this data
All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.