GU18 postcode area house prices

GU18 has an average sold price of £316,229 across 4,711 HM Land Registry transactions covering 135 postcodes. The largest town grouping is Lightwater.

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

GU18 at a glance

GU18 postcode area averages £316,229 across 4,711 completed sales covering 135 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £316,229 · Median £345,000 · 4,711 transactions · +14.6% growth · 135 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: Usable transaction depth; 4,711 sales across 135 postcodes
Median check: £345,000; Mean and median differ — inspect local mix
Trend signal: +14.6%; The five-year price movement is +14.6%.
Coverage: 135 postcodes; Largest town: Lightwater

GU18 Postcode Area Overview

The GU18 postcode area averages £316,229 across 4,711 registered sales — below the national average of £400,016 by -20.9%. The median price across constituent postcodes is £345,000, indicating lower-value sales drag the mean down. 135 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Lightwater, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +14.6%, in line with national growth.

Postcodes in GU18

GU18 5YT£155,843 average154 sales GU18 5YS£168,078 average151 sales GU18 5QN£169,384 average138 sales GU18 5YU£216,917 average119 sales GU18 5SX£191,787 average109 sales GU18 5LF£234,975 average103 sales GU18 5YN£138,694 average99 sales GU18 5RY£204,480 average95 sales GU18 5RX£209,845 average90 sales GU18 5TN£356,322 average81 sales GU18 5YY£218,636 average81 sales GU18 5RP£200,362 average79 sales GU18 5LE£251,747 average77 sales GU18 5AA£190,557 average75 sales GU18 5YP£161,373 average75 sales GU18 5UG£213,173 average74 sales GU18 5RU£263,743 average67 sales GU18 5YX£275,362 average67 sales GU18 5SL£204,066 average66 sales GU18 5TA£414,847 average66 sales GU18 5QW£272,206 average61 sales GU18 5QQ£512,314 average60 sales GU18 5RL£307,129 average59 sales GU18 5UH£509,479 average56 sales GU18 5XH£370,160 average52 sales GU18 5TQ£420,271 average51 sales GU18 5XP£445,694 average51 sales GU18 5RB£270,914 average50 sales GU18 5TP£323,550 average49 sales GU18 5LB£352,891 average48 sales GU18 5TL£296,152 average48 sales GU18 5YL£303,005 average48 sales GU18 5RG£238,709 average47 sales GU18 5YW£279,595 average47 sales GU18 5AD£215,221 average45 sales GU18 5QS£353,268 average44 sales GU18 5QX£181,963 average42 sales GU18 5UL£556,938 average42 sales GU18 5XQ£256,480 average42 sales GU18 5QZ£332,187 average41 sales GU18 5TU£292,267 average41 sales GU18 5PA£511,826 average39 sales GU18 5LD£220,586 average38 sales GU18 5XU£435,254 average38 sales GU18 5SQ£248,099 average37 sales GU18 5YR£360,566 average37 sales GU18 5UE£126,012 average36 sales GU18 5YB£570,964 average36 sales GU18 5RF£189,908 average35 sales GU18 5UA£363,233 average35 sales GU18 5RH£227,510 average34 sales GU18 5XZ£417,072 average34 sales GU18 5UJ£512,506 average33 sales GU18 5UR£511,333 average33 sales GU18 5XE£436,012 average33 sales GU18 5YG£543,123 average33 sales GU18 5XY£413,903 average32 sales GU18 5YH£739,795 average32 sales GU18 5YJ£385,980 average32 sales GU18 5UN£566,855 average31 sales GU18 5LA£288,525 average30 sales GU18 5RA£383,995 average30 sales GU18 5UW£492,817 average29 sales GU18 5TD£327,491 average28 sales GU18 5TG£291,629 average28 sales GU18 5TH£335,719 average28 sales GU18 5TT£386,761 average28 sales GU18 5YA£482,371 average28 sales GU18 5YQ£538,470 average28 sales GU18 5SD£376,299 average27 sales GU18 5XX£447,935 average27 sales GU18 5RE£291,456 average26 sales GU18 5RQ£204,021 average26 sales GU18 5RS£343,746 average26 sales GU18 5PE£468,156 average25 sales GU18 5QU£379,216 average25 sales GU18 5PB£488,892 average24 sales GU18 5PJ£393,310 average24 sales GU18 5SN£397,222 average24 sales GU18 5TJ£377,517 average24 sales

Compare postcodes in GU18

Use the location comparison tool to put GU18 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 GU18 area

Professional valuers use recent sold prices as comparable evidence. In the GU18 area, the median sold price is £345,000 and the average is £316,229, based on 4,711 HM Land Registry transactions. Over five years, prices have moved +14.6%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £293,000–£397,000(±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 GU18 postcode area?

The average sold price in GU18 is £316,229, based on 4,711 HM Land Registry transactions across 135 postcodes.

How does GU18 compare to the national average?

GU18 is -20.9% 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 GU18 area cover?

The GU18 postcode area covers 135 individual postcodes with 4,711 registered sales. The largest town grouping is Lightwater.

More about GU18

Lightwater town Browse districts Market reports Methodology Compare locations Area guide: GU18

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.