Sean McMaster: councillor for South East Holderness, East Riding of Yorkshire Council

Sean McMaster is a Conservative councillor for the South East Holderness ward on East Riding of Yorkshire Council, according to the council's own published list.

Council: East Riding of Yorkshire Council
Ward: South East Holderness
Party: Conservative
Official profile: eastriding.gov.uk
Source: East Riding of Yorkshire Council: find a councillor (each councillor's page), read 3 November 2026 (saved copy)

How to contact Sean McMaster

These are the details East Riding of Yorkshire Council publishes for Sean McMaster, exactly as published on 3 November 2026:

Email: councillor.sean.mcmaster@eastriding.gov.uk
Phone: 07928 740109
Post: c/o Member Services Team County Hall Beverley HU17 9BA
Official profile: eastriding.gov.uk

Who else represents South East Holderness

Jon Dimberline Reform UK
Lyn Healing Conservative

Conservative on East Riding of Yorkshire Council

Conservative holds 23 of the 67 seats on East Riding of Yorkshire Council, the largest group. Seats by party: Conservative 23, Liberal Democrat 20, Independent 8, No party given 4, Independent / Unaffiliated 3, Labour 3 and others.

All 67 councillors of East Riding of Yorkshire Council, by ward and party.

Who has power over South East Holderness

Sean McMaster sits on East Riding of Yorkshire Council, at level 3 of the ten levels of power. These are the bodies above East Riding of Yorkshire, each with its own page:

Hull and East Yorkshire Combined County Authority led by Luke Campbell
Humberside Police led by Jonathan Evison, Chris Todd
Beverley and Holderness: Graham Stuart (Conservative) MP
Bridlington and The Wolds: Charlie Dewhirst (Conservative) MP
Goole and Pocklington: David Davis (Conservative) MP
Kingston upon Hull North and Cottingham: Dame Diana Johnson (Labour) MP
Kingston upon Hull West and Haltemprice: Emma Hardy (Labour) MP
UK government and all 650 MPs
United Nations, IMF, G7 and G20

The full ladder of power over East Riding of Yorkshire, from residents' groups to the G20.

Where this comes from

East Riding of Yorkshire Council: find a councillor (each councillor's page), read 3 November 2026 (saved copy). Published by East Riding of Yorkshire Council. 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 Name or seat out of date?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.