TW18 postcode area house prices

TW18 has an average sold price of £324,436 across 16,667 HM Land Registry transactions covering 624 postcodes. The largest town grouping is Staines.

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

TW18 at a glance

TW18 postcode area averages £324,436 across 16,667 completed sales covering 624 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £324,436 · Median £273,000 · 16,667 transactions · +22.5% growth · 624 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 16,667 sales across 624 postcodes
Median check: £273,000; Mean and median differ — inspect local mix
Trend signal: +22.5%; The five-year price movement is +22.5%.
Coverage: 624 postcodes; Largest town: Staines

TW18 Postcode Area Overview

The TW18 postcode area averages £324,436 across 16,667 registered sales — below the national average of £400,016 by -18.9%. The median price across constituent postcodes is £273,000, suggesting higher-value sales pull the mean upward. 624 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Staines, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +22.5%, in line with national growth.

Postcodes in TW18

TW18 4QJ£132,037 average157 sales TW18 3AW£177,125 average150 sales TW18 3AS£246,902 average137 sales TW18 4BU£290,986 average137 sales TW18 4US£320,412 average126 sales TW18 4PB£262,887 average119 sales TW18 2LG£238,349 average106 sales TW18 3DA£209,539 average105 sales TW18 3DF£262,234 average104 sales TW18 2LE£239,193 average100 sales TW18 4HU£233,050 average100 sales TW18 4RX£191,378 average99 sales TW18 1NA£109,857 average96 sales TW18 2QZ£300,304 average94 sales TW18 2NA£227,361 average93 sales TW18 4XT£294,478 average93 sales TW18 3DE£277,761 average92 sales TW18 1AE£195,434 average85 sales TW18 2EQ£255,237 average85 sales TW18 2ES£233,932 average84 sales TW18 3DH£201,436 average84 sales TW18 3EW£104,458 average84 sales TW18 3EE£259,896 average83 sales TW18 3ED£263,588 average81 sales TW18 4HT£248,092 average81 sales TW18 1AY£232,408 average77 sales TW18 4ZT£482,341 average77 sales TW18 2NQ£173,541 average76 sales TW18 2QE£197,526 average76 sales TW18 2QX£126,258 average76 sales TW18 1ET£282,582 average75 sales TW18 4HY£236,958 average74 sales TW18 4EQ£399,160 average72 sales TW18 1EQ£256,973 average71 sales TW18 2BT£167,672 average71 sales TW18 4EY£419,274 average71 sales TW18 4JW£624,018 average71 sales TW18 4RR£199,627 average71 sales TW18 4ZW£397,731 average71 sales TW18 1PY£162,724 average70 sales TW18 2NG£191,062 average70 sales TW18 2PX£266,939 average69 sales TW18 2QR£306,289 average68 sales TW18 4QD£134,264 average68 sales TW18 4AF£108,836 average67 sales TW18 4RT£198,737 average67 sales TW18 1QW£265,726 average66 sales TW18 2QF£193,857 average66 sales TW18 4JH£445,165 average66 sales TW18 1DW£226,544 average65 sales TW18 4TZ£263,865 average65 sales TW18 3DQ£243,552 average63 sales TW18 4DN£283,530 average62 sales TW18 4ZU£373,459 average62 sales TW18 1NE£193,540 average61 sales TW18 2JU£229,889 average61 sales TW18 2PQ£241,071 average61 sales TW18 3LL£239,213 average61 sales TW18 4LB£217,585 average60 sales TW18 2NE£190,528 average59 sales TW18 3DD£255,023 average59 sales TW18 3LH£152,208 average59 sales TW18 4TY£382,553 average59 sales TW18 2AY£171,446 average58 sales TW18 2EH£281,022 average58 sales TW18 2NB£168,794 average58 sales TW18 2NF£205,059 average58 sales TW18 4HN£194,221 average58 sales TW18 1DB£239,442 average57 sales TW18 1PW£199,399 average57 sales TW18 2NW£114,190 average57 sales TW18 2PH£236,850 average57 sales TW18 1JN£264,191 average56 sales TW18 2AE£213,235 average56 sales TW18 3HX£293,325 average56 sales TW18 1QL£285,231 average55 sales TW18 2ND£240,007 average55 sales TW18 3HW£224,790 average55 sales TW18 4NB£350,436 average54 sales TW18 4RY£251,710 average54 sales

Compare postcodes in TW18

Use the location comparison tool to put TW18 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 TW18 area

Professional valuers use recent sold prices as comparable evidence. In the TW18 area, the median sold price is £273,000 and the average is £324,436, based on 16,667 HM Land Registry transactions. Over five years, prices have moved +22.5%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £232,000–£314,000(±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 TW18 postcode area?

The average sold price in TW18 is £324,436, based on 16,667 HM Land Registry transactions across 624 postcodes.

How does TW18 compare to the national average?

TW18 is -18.9% 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 TW18 area cover?

The TW18 postcode area covers 624 individual postcodes with 16,667 registered sales. The largest town grouping is Staines.

More about TW18

Staines town Browse districts Market reports Methodology Compare locations Area guide: TW18

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.