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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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SN1 postcode area house prices

SN1 has an average sold price of £172,162 across 24,143 HM Land Registry transactions covering 662 postcodes. The largest town grouping is Swindon.

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

Decision summary

SN1 at a glance

SN1 postcode area averages £172,162 across 24,143 completed sales covering 662 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £172,162 · Median £149,000 · 24,143 transactions · +57.9% growth · 662 postcodes

Data source
HM Land Registry
Updated July 2026
Sample quality
High transaction depth
24,143 sales across 662 postcodes
Median check
£149,000
Mean and median differ — inspect local mix
Trend signal
+57.9%
The five-year price movement is +57.9%.
Coverage
662 postcodes
Largest town: Swindon
Data source
HM Land Registry
Sample quality
High transaction depth
Median check
£149,000
Check asking price

SN1 Postcode Area Overview

The SN1 postcode area averages £172,162 across 24,143 registered sales — below the national average of £396,803 by -56.6%. The median price across constituent postcodes is £149,000, suggesting higher-value sales pull the mean upward. 662 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Swindon, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +57.9%, in line with national growth.

Postcodes in SN1

SN1 4PW£127,765 average214 salesSN1 3PJ£117,037 average181 salesSN1 2HB£113,253 average162 salesSN1 3JR£129,464 average160 salesSN1 5LA£107,082 average157 salesSN1 3QB£138,304 average150 salesSN1 1HE£207,984 average138 salesSN1 3PY£149,445 average137 salesSN1 4GX£149,991 average136 salesSN1 3PF£123,045 average135 salesSN1 3PR£116,165 average135 salesSN1 5LB£115,416 average133 salesSN1 3LY£138,511 average123 salesSN1 4GR£150,900 average123 salesSN1 2PW£75,003 average118 salesSN1 4PN£152,734 average115 salesSN1 3JP£117,139 average114 salesSN1 3PL£160,935 average114 salesSN1 5HE£103,137 average112 salesSN1 4GT£183,003 average110 salesSN1 1DT£108,552 average109 salesSN1 4GJ£143,634 average109 salesSN1 3LD£124,890 average108 salesSN1 4BB£143,426 average107 salesSN1 5EW£110,402 average107 salesSN1 4NN£65,872 average106 salesSN1 4GW£144,048 average105 salesSN1 5AH£148,293 average105 salesSN1 4DA£209,682 average100 salesSN1 5DX£116,155 average99 salesSN1 2LQ£121,788 average98 salesSN1 3JJ£127,502 average98 salesSN1 4EN£157,320 average96 salesSN1 5LQ£111,419 average96 salesSN1 2SE£154,908 average95 salesSN1 4EH£96,151 average95 salesSN1 5JX£112,663 average95 salesSN1 4GS£185,035 average94 salesSN1 4DE£158,129 average90 salesSN1 4LP£196,830 average90 salesSN1 4NJ£113,574 average90 salesSN1 5EN£117,962 average90 salesSN1 5LL£108,008 average90 salesSN1 2AW£100,783 average89 salesSN1 3HW£195,606 average89 salesSN1 4BZ£189,546 average89 salesSN1 7AE£207,970 average89 salesSN1 2NT£167,047 average88 salesSN1 4GG£146,479 average88 salesSN1 2BL£107,933 average87 salesSN1 2LF£118,877 average87 salesSN1 2AZ£96,412 average86 salesSN1 5DU£121,430 average86 salesSN1 5LJ£105,640 average86 salesSN1 5LP£98,838 average86 salesSN1 5NA£124,346 average86 salesSN1 4GQ£129,018 average84 salesSN1 1EB£100,130 average83 salesSN1 3LW£112,050 average83 salesSN1 3PH£129,955 average83 salesSN1 4LH£129,974 average83 salesSN1 5QT£105,949 average83 salesSN1 4BY£183,175 average82 salesSN1 4LJ£118,165 average82 salesSN1 5HA£110,282 average82 salesSN1 5QR£108,858 average82 salesSN1 2PR£177,913 average81 salesSN1 2ER£105,577 average80 salesSN1 2QA£168,879 average80 salesSN1 4HS£250,149 average80 salesSN1 3JY£138,169 average79 salesSN1 4NQ£125,893 average79 salesSN1 7BY£181,346 average79 salesSN1 2EQ£114,657 average78 salesSN1 2ES£91,538 average78 salesSN1 3NB£144,377 average78 salesSN1 2ND£137,496 average77 salesSN1 2PX£160,529 average77 salesSN1 4JG£273,514 average77 salesSN1 4JP£335,508 average77 sales

Compare postcodes in SN1

Use the location comparison tool to put SN1 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 SN1 area

Professional valuers use recent sold prices as comparable evidence. In the SN1 area, the median sold price is £149,000 and the average is £172,162, based on 24,143 HM Land Registry transactions. Over five years, prices have moved +57.9%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £127,000–£171,000(±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.

Check an asking price against local evidence

Frequently asked questions

What is the average sold price in the SN1 postcode area?

The average sold price in SN1 is £172,162, based on 24,143 HM Land Registry transactions across 662 postcodes.

How does SN1 compare to the national average?

SN1 is -56.6% 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 SN1 area cover?

The SN1 postcode area covers 662 individual postcodes with 24,143 registered sales. The largest town grouping is Swindon.

More about SN1

Swindon townBrowse districtsMarket reportsMethodologyCompare locationsArea guide: SN1

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.