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Independent historical sold-price evidence from HM Land Registry for England and Wales.

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© 2026 UK House Prices. Data sourced from HM Land Registry.

Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.

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SN15 postcode area house prices

SN15 has an average sold price of £238,790 across 21,456 HM Land Registry transactions covering 1,059 postcodes. The largest town grouping is Chippenham.

Updated July 2026Records through May 2026HM Land Registry31+ million records

Decision summary

SN15 at a glance

SN15 postcode area averages £238,790 across 21,456 completed sales covering 1,059 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £238,790 · Median £230,000 · 21,456 transactions · +69.9% growth · 1,059 postcodes

Data source
HM Land Registry
Updated July 2026
Sample quality
High transaction depth
21,456 sales across 1,059 postcodes
Median check
£230,000
Median is close to the average
Trend signal
+69.9%
The five-year price movement is +69.9%.
Coverage
1,059 postcodes
Largest town: Chippenham
Data source
HM Land Registry
Sample quality
High transaction depth
Median check
£230,000
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SN15 Postcode Area Overview

The SN15 postcode area averages £238,790 across 21,456 registered sales — below the national average of £396,803 by -39.8%. The median price across constituent postcodes is £230,000, closely tracking the average. 1,059 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Chippenham, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +69.9%, in line with national growth.

Postcodes in SN15

SN15 3YA£113,133 average161 salesSN15 3QJ£194,343 average159 salesSN15 5LJ£242,111 average157 salesSN15 3GU£221,539 average146 salesSN15 4TR£140,138 average143 salesSN15 4AD£135,102 average141 salesSN15 3GQ£285,383 average131 salesSN15 3UT£102,545 average129 salesSN15 4AN£126,563 average129 salesSN15 1NB£164,488 average128 salesSN15 1DS£113,113 average123 salesSN15 3YN£142,511 average119 salesSN15 3BN£150,718 average112 salesSN15 3TG£105,266 average112 salesSN15 1NX£167,000 average111 salesSN15 2BS£125,566 average105 salesSN15 3BL£139,494 average105 salesSN15 3UH£145,828 average101 salesSN15 3YT£110,259 average100 salesSN15 1UG£288,385 average96 salesSN15 3BU£258,032 average95 salesSN15 3GF£126,443 average94 salesSN15 1LH£182,821 average92 salesSN15 1UB£179,984 average92 salesSN15 2QR£88,099 average92 salesSN15 3UP£157,001 average91 salesSN15 4NN£111,179 average88 salesSN15 2AR£161,494 average85 salesSN15 3GE£128,522 average85 salesSN15 3TF£150,648 average83 salesSN15 1LJ£180,559 average81 salesSN15 3TL£108,521 average81 salesSN15 3XF£117,159 average81 salesSN15 3YY£166,183 average81 salesSN15 1BU£162,192 average79 salesSN15 1QJ£424,409 average79 salesSN15 1UH£300,716 average79 salesSN15 3TJ£84,179 average79 salesSN15 3UJ£123,615 average79 salesSN15 3TP£113,906 average77 salesSN15 3FA£160,267 average76 salesSN15 4TE£119,406 average76 salesSN15 3GA£164,931 average75 salesSN15 1FP£279,443 average74 salesSN15 3GW£222,302 average74 salesSN15 4TG£114,957 average74 salesSN15 2BZ£101,817 average72 salesSN15 3TA£99,858 average72 salesSN15 3YS£181,435 average71 salesSN15 1QQ£148,407 average70 salesSN15 2QT£81,309 average70 salesSN15 3FQ£122,617 average70 salesSN15 3FR£142,327 average70 salesSN15 1JF£174,224 average69 salesSN15 3GH£134,404 average69 salesSN15 3JT£137,862 average67 salesSN15 3TN£102,817 average67 salesSN15 3UD£121,429 average66 salesSN15 3FY£90,572 average65 salesSN15 2RA£119,079 average64 salesSN15 3AP£120,366 average64 salesSN15 3GB£172,778 average64 salesSN15 3FW£154,711 average63 salesSN15 1TE£124,123 average62 salesSN15 3FB£162,377 average61 salesSN15 4BG£344,469 average61 salesSN15 1LN£160,757 average60 salesSN15 3QS£247,982 average60 salesSN15 2NA£166,775 average59 salesSN15 3TU£132,715 average59 salesSN15 1NP£211,412 average58 salesSN15 3AN£156,658 average58 salesSN15 3HN£229,432 average58 salesSN15 3TQ£102,247 average58 salesSN15 3SN£110,574 average57 salesSN15 4ES£212,052 average57 salesSN15 2FJ£263,188 average56 salesSN15 3FD£208,957 average56 salesSN15 2FN£393,740 average55 salesSN15 3ST£196,575 average55 sales

Compare postcodes in SN15

Use the location comparison tool to put SN15 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

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Property valuation guide

Estimate a property value in the SN15 area

Professional valuers use recent sold prices as comparable evidence. In the SN15 area, the median sold price is £230,000 and the average is £238,790, based on 21,456 HM Land Registry transactions. Over five years, prices have moved +69.9%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £196,000–£265,000(±15% from median)

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.

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Frequently asked questions

What is the average sold price in the SN15 postcode area?

The average sold price in SN15 is £238,790, based on 21,456 HM Land Registry transactions across 1,059 postcodes.

How does SN15 compare to the national average?

SN15 is -39.8% below the England and Wales national average of £396,803.

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 SN15 area cover?

The SN15 postcode area covers 1,059 individual postcodes with 21,456 registered sales. The largest town grouping is Chippenham.

More about SN15

Chippenham townBrowse districtsMarket reportsMethodologyCompare locationsArea guide: SN15

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.