SL9 postcode area house prices

SL9 has an average sold price of £646,393 across 11,579 HM Land Registry transactions covering 784 postcodes. The largest town grouping is Gerrards Cross.

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

SL9 at a glance

SL9 postcode area averages £646,393 across 11,579 completed sales covering 784 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

Average £646,393 · Median £570,000 · 11,579 transactions · +20.9% growth · 784 postcodes

Data source
HM Land Registry
Updated October 2026
Sample quality
High transaction depth
11,579 sales across 784 postcodes
Median check
£570,000
Mean and median differ — inspect local mix
Trend signal
+20.9%
The five-year price movement is +20.9%.
Coverage
784 postcodes
Largest town: Gerrards Cross

SL9 Postcode Area Overview

The SL9 postcode area averages £646,393 across 11,579 registered sales — above the national average of £400,016 by +61.6%. The median price across constituent postcodes is £570,000, suggesting higher-value sales pull the mean upward. 784 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Gerrards Cross, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +20.9%, in line with national growth.

Postcodes in SL9

SL9 9ET£359,761 average100 salesSL9 7EY£504,662 average79 salesSL9 9FU£426,359 average79 salesSL9 7EN£763,132 average68 salesSL9 8ER£848,647 average68 salesSL9 8HJ£983,622 average68 salesSL9 8ES£300,413 average67 salesSL9 9NJ£372,656 average65 salesSL9 9SP£312,612 average65 salesSL9 9SR£339,073 average62 salesSL9 9DE£331,563 average61 salesSL9 9AH£695,418 average59 salesSL9 7DS£294,983 average57 salesSL9 9HP£451,628 average53 salesSL9 9QH£179,052 average53 salesSL9 0QR£412,233 average50 salesSL9 8TL£271,980 average50 salesSL9 7RR£309,404 average49 salesSL9 0SX£516,150 average48 salesSL9 7RU£284,271 average48 salesSL9 9NL£364,607 average48 salesSL9 0PL£671,590 average44 salesSL9 0BB£351,010 average43 salesSL9 0HF£454,118 average42 salesSL9 8BL£1,209,917 average42 salesSL9 9HG£411,395 average42 salesSL9 7JQ£654,135 average41 salesSL9 8HN£1,018,786 average41 salesSL9 9DQ£724,733 average41 salesSL9 0DD£317,788 average40 salesSL9 0LF£509,412 average40 salesSL9 7NN£840,460 average40 salesSL9 8BR£317,459 average40 salesSL9 8JD£751,881 average40 salesSL9 9AA£423,934 average40 salesSL9 9LD£264,532 average40 salesSL9 9LF£287,395 average40 salesSL9 0LA£470,051 average39 salesSL9 0LD£651,358 average39 salesSL9 7BU£154,063 average39 salesSL9 9HQ£445,304 average39 salesSL9 0PB£503,856 average38 salesSL9 7QQ£878,660 average38 salesSL9 8EL£345,556 average38 salesSL9 8JG£580,078 average38 salesSL9 9FS£349,518 average38 salesSL9 9HL£357,768 average38 salesSL9 0LR£454,181 average37 salesSL9 7JE£717,228 average37 salesSL9 9NN£308,328 average37 salesSL9 9TR£563,972 average37 salesSL9 0HJ£246,097 average36 salesSL9 0NW£505,372 average36 salesSL9 8DD£891,417 average36 salesSL9 9QA£449,099 average36 salesSL9 9SQ£433,358 average36 salesSL9 0BP£451,111 average35 salesSL9 0HN£217,031 average35 salesSL9 0JT£360,469 average35 salesSL9 0PN£553,082 average35 salesSL9 7JG£710,056 average35 salesSL9 7LJ£906,614 average35 salesSL9 7QT£929,200 average35 salesSL9 7RH£291,771 average35 salesSL9 8NY£524,074 average35 salesSL9 7AB£468,868 average34 salesSL9 7HL£964,818 average34 salesSL9 8LX£553,441 average34 salesSL9 9EX£382,469 average34 salesSL9 0EN£496,540 average33 salesSL9 7HY£793,742 average33 salesSL9 7NU£800,627 average33 salesSL9 7PZ£793,135 average33 salesSL9 9JG£489,133 average33 salesSL9 9UL£131,501 average33 salesSL9 0LQ£354,064 average32 salesSL9 0NF£686,679 average32 salesSL9 7LR£1,187,333 average32 salesSL9 9JU£413,742 average32 salesSL9 0EJ£488,264 average31 sales

Compare postcodes in SL9

Use the location comparison tool to put SL9 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

Property valuation guide

Estimate a property value in the SL9 area

Professional valuers use recent sold prices as comparable evidence. In the SL9 area, the median sold price is £570,000 and the average is £646,393, based on 11,579 HM Land Registry transactions. Over five years, prices have moved +20.9%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £485,000–£656,000(±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.

Frequently asked questions

What is the average sold price in the SL9 postcode area?

The average sold price in SL9 is £646,393, based on 11,579 HM Land Registry transactions across 784 postcodes.

How does SL9 compare to the national average?

SL9 is +61.6% above 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 SL9 area cover?

The SL9 postcode area covers 784 individual postcodes with 11,579 registered sales. The largest town grouping is Gerrards Cross.

More about SL9

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.