SO31 postcode area house prices

SO31 has an average sold price of £263,732 across 30,618 HM Land Registry transactions covering 1,083 postcodes. The largest town grouping is Southampton.

Updated October 2026Records through August 2026HM Land Registry31+ million records

SO31 at a glance

SO31 postcode area averages £263,732 across 30,618 completed sales covering 1,083 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £263,732 · Median £249,975 · 30,618 transactions · +26.9% growth · 1,083 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 30,618 sales across 1,083 postcodes
Median check: £249,975; Mean and median differ — inspect local mix
Trend signal: +26.9%; The five-year price movement is +26.9%.
Coverage: 1,083 postcodes; Largest town: Southampton

SO31 Postcode Area Overview

The SO31 postcode area averages £263,732 across 30,618 registered sales — below the national average of £400,016 by -34.1%. The median price across constituent postcodes is £249,975, suggesting higher-value sales pull the mean upward. 1,083 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Southampton, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +26.9%, in line with national growth.

Postcodes in SO31

SO31 6UP£135,825 average264 sales SO31 8HE£120,524 average221 sales SO31 4FJ£193,563 average163 sales SO31 6SX£102,300 average162 sales SO31 6TN£155,463 average161 sales SO31 8GP£133,441 average160 sales SO31 6AX£112,953 average157 sales SO31 5PX£126,709 average151 sales SO31 4RT£279,957 average142 sales SO31 4RU£209,988 average138 sales SO31 8GU£116,546 average138 sales SO31 6SY£182,568 average127 sales SO31 7GT£260,362 average126 sales SO31 6TH£122,293 average124 sales SO31 6XA£124,954 average122 sales SO31 9GW£166,502 average117 sales SO31 4RY£168,646 average115 sales SO31 7FP£95,027 average114 sales SO31 8GE£127,063 average110 sales SO31 5GP£182,036 average106 sales SO31 1DD£199,407 average104 sales SO31 6XS£175,870 average103 sales SO31 4QZ£153,882 average102 sales SO31 5AE£232,053 average102 sales SO31 4JS£264,022 average101 sales SO31 4QE£99,333 average99 sales SO31 7GQ£271,623 average94 sales SO31 8FN£191,096 average94 sales SO31 6WJ£135,676 average93 sales SO31 8FA£213,667 average93 sales SO31 9GD£319,051 average93 sales SO31 4FD£165,965 average91 sales SO31 9DE£166,928 average90 sales SO31 7JH£249,494 average89 sales SO31 5FB£161,382 average88 sales SO31 6NN£214,904 average87 sales SO31 6BN£230,272 average86 sales SO31 6TY£148,883 average86 sales SO31 1BL£516,411 average85 sales SO31 6WY£109,429 average85 sales SO31 7GL£189,422 average85 sales SO31 8GT£119,588 average85 sales SO31 9HG£367,245 average85 sales SO31 6WW£120,892 average84 sales SO31 9GG£304,555 average82 sales SO31 6LR£208,155 average81 sales SO31 9GJ£273,150 average81 sales SO31 7NW£315,244 average79 sales SO31 6XH£152,310 average78 sales SO31 8JR£183,635 average78 sales SO31 6AZ£66,649 average77 sales SO31 6TJ£73,307 average77 sales SO31 9JR£155,850 average77 sales SO31 1DT£191,248 average76 sales SO31 8AY£207,303 average76 sales SO31 4HL£504,729 average74 sales SO31 5PN£125,307 average73 sales SO31 8LX£347,767 average73 sales SO31 6XD£174,479 average71 sales SO31 7ER£220,405 average71 sales SO31 5DQ£196,589 average70 sales SO31 7NS£315,846 average70 sales SO31 7PU£343,788 average70 sales SO31 9JH£245,745 average70 sales SO31 6UG£163,124 average69 sales SO31 7DP£362,059 average69 sales SO31 7LW£237,721 average69 sales SO31 4LQ£175,163 average68 sales SO31 6UF£250,014 average68 sales SO31 6XE£159,142 average68 sales SO31 8AL£767,701 average68 sales SO31 8GW£94,854 average68 sales SO31 8HB£116,180 average68 sales SO31 4QP£416,455 average67 sales SO31 8EN£162,383 average67 sales SO31 1EU£304,554 average66 sales SO31 5PT£130,986 average66 sales SO31 6NW£385,344 average66 sales SO31 6SN£153,133 average66 sales SO31 6XG£219,949 average66 sales

Compare postcodes in SO31

Use the location comparison tool to put SO31 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 SO31 area

Professional valuers use recent sold prices as comparable evidence. In the SO31 area, the median sold price is £249,975 and the average is £263,732, based on 30,618 HM Land Registry transactions. Over five years, prices have moved +26.9%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £212,000–£287,000(±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 SO31 postcode area?

The average sold price in SO31 is £263,732, based on 30,618 HM Land Registry transactions across 1,083 postcodes.

How does SO31 compare to the national average?

SO31 is -34.1% 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 SO31 area cover?

The SO31 postcode area covers 1,083 individual postcodes with 30,618 registered sales. The largest town grouping is Southampton.

More about SO31

Southampton town Browse districts Market reports Methodology Compare locations Area guide: SO31

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.