Sean McMahon: councillor for Hylands & Harrow Lodge, London Borough of Havering

Sean McMahon is a The Reform UK Group councillor for the Hylands & Harrow Lodge ward on London Borough of Havering, according to the council's own published list. Sean McMahon is also Cabinet Member for Customer Services. Their current term began on 12 May 2026.

Council: London Borough of Havering
Ward: Hylands & Harrow Lodge
Party: The Reform UK Group
Posts: Cabinet Member for Customer Services
Term began: 12 May 2026
Official profile: democracy.havering.gov.uk
Source: London Borough of Havering: councillors by ward (modern.gov web service), read 2 November 2026 (saved copy)

How to contact Sean McMahon

These are the details London Borough of Havering publishes for Sean McMahon, exactly as published on 2 November 2026:

Email: CouncillorSean.McMahon@havering.gov.uk
Official profile: democracy.havering.gov.uk

Who else represents Hylands & Harrow Lodge

Kevin Gill The Reform UK Group Cabinet Member for Children
Maggie Themistocli The Reform UK Group Mayor of Havering

The Reform UK Group on London Borough of Havering

The Reform UK Group holds 39 of the 55 seats on London Borough of Havering, the largest group. Seats by party: The Reform UK Group 39, Havering Aligned Residents' Associations, (Upminster & Cranham Residents Association) 6, Havering Aligned Residents' Associations, (Hornchurch Residents Association) 4, East Havering Residents' Group 3, Labour 2, Havering Aligned Residents' Associations, (Havering Residents Association) 1.

Leaders and post holders on London Borough of Havering

Gillian Ford Leader of the Opposition
Keith Prince Leader of the Council
Maggie Themistocli Mayor of Havering
Sue Benjamins Deputy Leader of the Council and Cabinet Member for Finance
Christine Vickery Deputy Mayor of Havering

All 55 councillors of London Borough of Havering, by ward and party.

Who has power over Hylands & Harrow Lodge

Sean McMahon sits on London Borough of Havering, at level 3 of the ten levels of power. These are the bodies above Havering, each with its own page:

Greater London Authority
Metropolitan Police Service led by Kaya Comer-Schwartz, Mark Rowley
Dagenham and Rainham: Margaret Mullane (Labour) MP
Hornchurch and Upminster: Julia Lopez (Conservative) MP
Romford: Andrew Rosindell (Reform UK) MP
UK government and all 650 MPs
United Nations, IMF, G7 and G20

The full ladder of power over Havering, from residents' groups to the G20.

Where this comes from

London Borough of Havering: councillors by ward (modern.gov web service), read 2 November 2026 (saved copy). Published by London Borough of Havering. The page is rebuilt from the official list each time it is read again, so anything the council changes or removes changes here too. Name or seat out of date? Tell us.