WD23 9

Postcode sector

22 live postcodes, all in Hertsmere.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Hertsmere. Open the map at WD23 9 for neighbourhoods and points. Open the map at WD23 9

Your MP

Sir Oliver DowdenConservativeMP for Hertsmere

As of 18 October 2026, from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

2 of Hertsmere’s 63 neighbourhoods are in England’s most deprived 20%.

Hertsmere, the council that holds 100% of WD23 9

Average house price

£548,704

Up 1.3% in a year

HM Land Registry · Jul 2026

Median full-time pay

£43,813

68th highest paid of 348

ONS earnings survey · 2025

House price to pay

12.5×

17th least affordable of 348

Worked out by Open Index

Deprivation score

14.1

81st least deprived of 296

MHCLG · England only

Everything about Hertsmere

Postcodes in WD23 9

WD23 9AJHertsmere
WD23 9BRHertsmere
WD23 9DBHertsmere
WD23 9DSHertsmere
WD23 9EAHertsmere
WD23 9EQHertsmere
WD23 9FBHertsmere
WD23 9FJHertsmere
WD23 9FTHertsmere
WD23 9GFHertsmere
WD23 9GJHertsmere
WD23 9GUHertsmere
WD23 9GWHertsmere
WD23 9HGHertsmere
WD23 9HTHertsmere
WD23 9JJHertsmere
WD23 9JRHertsmere
WD23 9JTHertsmere
WD23 9JXHertsmere
WD23 9LAHertsmere
WD23 9LBHertsmere
WD23 9LEHertsmere