SL3 postcode area house prices

SL3 has an average sold price of £302,034 across 21,962 HM Land Registry transactions covering 916 postcodes. The largest town grouping is Slough.

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

SL3 at a glance

SL3 postcode area averages £302,034 across 21,962 completed sales covering 916 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £302,034 · Median £250,000 · 21,962 transactions · +19.7% growth · 916 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 21,962 sales across 916 postcodes
Median check: £250,000; Mean and median differ — inspect local mix
Trend signal: +19.7%; The five-year price movement is +19.7%.
Coverage: 916 postcodes; Largest town: Slough

SL3 Postcode Area Overview

The SL3 postcode area averages £302,034 across 21,962 registered sales — below the national average of £400,016 by -24.5%. The median price across constituent postcodes is £250,000, suggesting higher-value sales pull the mean upward. 916 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Slough, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +19.7%, in line with national growth.

Postcodes in SL3

SL3 8YE£116,774 average215 sales SL3 9HS£174,008 average167 sales SL3 8YB£159,930 average154 sales SL3 8XZ£122,344 average153 sales SL3 8WF£228,702 average134 sales SL3 8JX£98,588 average131 sales SL3 7FE£191,730 average127 sales SL3 8YG£150,741 average127 sales SL3 8EZ£140,255 average126 sales SL3 0PA£130,900 average124 sales SL3 0NH£102,830 average119 sales SL3 9JE£139,109 average119 sales SL3 8JD£92,588 average118 sales SL3 8WQ£240,873 average116 sales SL3 8YF£105,323 average116 sales SL3 7RH£126,182 average115 sales SL3 8AS£125,143 average115 sales SL3 9QZ£175,560 average113 sales SL3 8YD£126,924 average112 sales SL3 7FQ£290,944 average110 sales SL3 9QU£110,156 average106 sales SL3 7JG£243,694 average105 sales SL3 7GU£359,000 average104 sales SL3 8WN£268,113 average99 sales SL3 9QD£155,776 average99 sales SL3 0RA£81,266 average97 sales SL3 8LY£216,339 average96 sales SL3 8JA£100,846 average94 sales SL3 8SS£209,709 average94 sales SL3 8WY£278,238 average92 sales SL3 0HS£165,069 average90 sales SL3 7DB£130,380 average90 sales SL3 8EY£164,384 average89 sales SL3 0PD£132,364 average88 sales SL3 8LT£238,405 average87 sales SL3 8XY£243,171 average87 sales SL3 0RB£105,082 average85 sales SL3 6RH£187,634 average83 sales SL3 9QY£178,316 average83 sales SL3 6AB£315,195 average82 sales SL3 8JH£286,607 average82 sales SL3 8UT£167,943 average81 sales SL3 9HL£240,482 average81 sales SL3 8BN£208,177 average80 sales SL3 8FA£268,146 average80 sales SL3 9EW£154,928 average80 sales SL3 8HR£262,652 average79 sales SL3 9AB£269,050 average79 sales SL3 0RH£182,461 average78 sales SL3 6SA£191,246 average78 sales SL3 0JS£129,834 average75 sales SL3 8JE£108,589 average75 sales SL3 8EW£310,368 average73 sales SL3 0LJ£208,825 average72 sales SL3 7FU£258,827 average72 sales SL3 0QW£119,999 average71 sales SL3 7RB£226,724 average71 sales SL3 9HT£168,927 average70 sales SL3 0JU£108,122 average69 sales SL3 8QT£186,287 average69 sales SL3 8UR£193,135 average69 sales SL3 7RD£219,788 average68 sales SL3 8HY£192,430 average68 sales SL3 8LZ£224,837 average68 sales SL3 0JT£157,992 average66 sales SL3 8EX£183,876 average65 sales SL3 8QF£193,818 average65 sales SL3 8XA£152,960 average65 sales SL3 8DD£242,616 average64 sales SL3 9LA£312,638 average64 sales SL3 7FG£277,833 average63 sales SL3 8PZ£205,928 average63 sales SL3 8WE£260,750 average63 sales SL3 9PU£171,113 average63 sales SL3 8DJ£315,250 average62 sales SL3 8UP£120,381 average61 sales SL3 9HG£134,668 average61 sales SL3 9JQ£227,085 average61 sales SL3 8AW£168,531 average60 sales SL3 8DF£331,587 average60 sales

Compare postcodes in SL3

Use the location comparison tool to put SL3 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 SL3 area

Professional valuers use recent sold prices as comparable evidence. In the SL3 area, the median sold price is £250,000 and the average is £302,034, based on 21,962 HM Land Registry transactions. Over five years, prices have moved +19.7%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £213,000–£288,000(±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 SL3 postcode area?

The average sold price in SL3 is £302,034, based on 21,962 HM Land Registry transactions across 916 postcodes.

How does SL3 compare to the national average?

SL3 is -24.5% 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 SL3 area cover?

The SL3 postcode area covers 916 individual postcodes with 21,962 registered sales. The largest town grouping is Slough.

More about SL3

Slough town Browse districts Market reports Methodology Compare locations Area guide: SL3

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.