29 Jan 2026

Thames Water’s creditors are currently scrambling to take control of the utility. They’ve been negotiating with Ofwat - the water regulator - for the future of the company.

The terms of the deal are outrageous: the creditors are asking to pollute illegally until 2040. They want to make as much money as possible by treating our rivers and seas like an open sewer.

We've been asking all MPs in the Thames Water region to sign our open letter to Ofwat and the Environment Secretary, urging them to reject the creditors’ proposal to pollute illegally.

The name of every single Thames Water MP should be on this open letter. Because it’s so simple. Do they think water companies should be allowed to get away with polluting - illegally - for profit, or do they not?

In light of the recent news that the creditors might be closing in on a deal, we've extended the deadline until Friday 6th February to make sure that we can get as many MPs' names as possible.

Below is a list of all the Thames Water MPs who still haven’t signed. Is your MP on it? Take 2 mins to email them now.

Email your MP

First name Last name Party Constituency
Heidi Alexander Labour Swindon South
Rushanara Ali Labour Bethnal Green and Stepney
Rosena Allin-Khan Labour Tooting
Fleur Anderson Labour Putney
James Asser Labour West Ham and Beckton
Gareth Bacon Conservative Orpington
Calvin Bailey Labour Leyton and Wanstead
Olivia Bailey Labour Reading West and Mid Berkshire
Danny Beales Labour Uxbridge and South Ruislip
Apsana Begum Independent Poplar and Limehouse
Bob Blackman Conservative Harrow East
Rachel Blake Labour/Co-operative Cities of London and Westminster
Kevin Bonavia Labour Stevenage
Alex Brewer Liberal Democrat North East Hampshire
Dawn Butler Labour Brent East
Ruth Cadbury Labour Brentford and Isleworth
Bambos Charalambous Labour Southgate and Wood Green
Feryal Clark Labour Enfield North
Lewis Cocking Conservative Broxbourne
Chris Coghlan Liberal Democrat Dorking and Horley
Ben Coleman Labour Chelsea and Fulham
Liam Conlon Labour Beckenham and Penge
Daisy Cooper Liberal Democrat St Albans
Deirdre Costigan Labour Ealing Southall
Claire Coutinho Conservative East Surrey
Neil Coyle Labour Bermondsey and Old Southwark
Stella Creasy Labour/Co-operative Walthamstow
Janet Daby Labour Lewisham East
Edward Davey Liberal Democrat Kingston and Surbiton
Bobby Dean Liberal Democrat Carshalton and Wallington
Josh Dean Labour Hertford and Stortford
Tan Dhesi Labour Slough
Jim Dickson Labour Dartford
Lee Dillon Liberal Democrat Newbury
Anneliese Dodds Labour/Co-operative Oxford East
Oliver Dowden Conservative Hertsmere
Iain Duncan Smith Conservative Chingford and Woodford Green
Clive Efford Labour Eltham and Chislehurst
Florence Eshalomi Labour/Co-operative Vauxhall and Camberwell Green
Miatta Fahnbulleh Labour/Co-operative Peckham
Will Forster Liberal Democrat Woking
Peter Fortune Conservative Bromley and Biggin Hill
Vicky Foxcroft Labour Lewisham North
Daniel Francis Labour Bexleyheath and Crayford
Louie French Conservative Old Bexley and Sidcup
Barry Gardiner Labour Brent West
Olly Glover Liberal Democrat Didcot and Wantage
Georgia Gould Labour Queen's Park and Maida Vale
Sarah Green Liberal Democrat Chesham and Amersham
Monica Harding Liberal Democrat Esher and Walton
Helen Hayes Labour Dulwich and West Norwood
Meg Hillier Labour/Co-operative Hackney South and Shoreditch
Rachel Hopkins Labour Luton South and South Bedfordshire
Neil Hudson Conservative Epping Forest
Jeremy Hunt Conservative Godalming and Ash
Rupa Huq Labour Ealing Central and Acton
Natasha Irons Labour Croydon East
Clive Jones Liberal Democrat Wokingham
Sarah Jones Labour Croydon West
Lincoln Jopp Conservative Spelthorne
Paul Kohler Liberal Democrat Wimbledon
Uma Kumaran Labour Stratford and Bow
Laura Kyrke-Smith Labour Aylesbury
Peter Lamb Labour Crawley
David Lammy Labour Tottenham
Andrew Lewin Labour Welwyn Hatfield
Julia Lopez
Siobhain McDonagh Labour Mitcham and Morden
Calum Miller Liberal Democrat Bicester and Woodstock
Gagan Mohindra Conservative South West Hertfordshire
Layla Moran Liberal Democrat Oxford West and Abingdon
Joy Morrissey Conservative Beaconsfield
James Murray Labour/Co-operative Ealing North
Sarah Olney Liberal Democrat Richmond Park
Abena Oppong-Asare Labour Erith and Thamesmead
Kate Osamor Labour/Co-operative Edmonton and Winchmore Hill
Sarah Owen Labour Luton North
Rebecca Paul Conservative Reigate
Matthew Pennycook Labour Greenwich and Woolwich
Chris Phillip Conservative Croydon South
Al Pinkerton Liberal Democrat Surrey Heath
David Pinto-Duschinsky Labour Hendon
Joe Powell Labour Kensington and Bayswater
Jack Rankin Conservative Windsor
Steve Reed Labour/Co-operative Streatham and Croydon North
Ellie Reeves Labour Lewisham West and East Dulwich
Joshua Reynolds Liberal Democrat Maidenhead
Matt Rodda Labour Reading Central
Andrew Rosindell Reform Romford
Sarah Sackman Labour Finchley and Golders Green
Tulip Siddiq Labour Hampstead and Highgate
David Simmonds Conservative Ruislip, Northwood and Pinner
Andrew Slaughter Labour Hammersmith and Chiswick
Greg Smith Conservative Mid Buckinghamshire
Ben Spencer Conservative Runnymede and Weybridge
Gregory Stafford Conservative Farnham and Bordon
Keir Starmer Labour Holborn and St Pancras
Will Stone Labour Swindon North
Wes Streeting Labour Ilford North
Peter Swallow Labour Bracknell
David Taylor Labour Hemel Hempstead
Luke Taylor Liberal Democrat Sutton and Cheam
Gareth Thomas Labour/Co-operative Harrow West
Emily Thornberry Labour Islington South and Finsbury
Stephen Timms Labour East Ham
Laura Trott Conservative Sevenoaks
Matt Turmaine Labour Watford
Catherine West Labour Hornsey and Friern Barnet
Munira Wilson Liberal Democrat Twickenham
Sean Woodcock Labour Banbury
Yuan Yang Labour Earley and Woodley
Jas Athwal Labour Ilford South
Chris Vince Labour Harlow
Luke Murphy Labour Basingstoke
Alex Baker Labour Aldershot
Dan Tomlinson Labour Chipping Barnet
Margaret Mullane Labour Dagenham and Rainham
Marsha De Cordova Labour Battersea

And here are all of the good MPs who have signed to protect the Thames Water region from illegal sewage pollution:

First name Last name Party Constituency
Diane Abbott Independent Hackney North and Stoke Newington
Victoria Collins Liberal Democrat Harpenden and Berkhamsted
Zöe Franklin Liberal Democrat Guildford
Helen Maguire Liberal Democrat Epsom and Ewell
Charlie Maynard Liberal Democrat Witney
John Martin McDonnell Independent Hayes and Harlington
Bell Ribeiro-Addy Labour Clapham and Brixton Hill
Roz Savage Liberal Democrat South Cotswolds
Freddie Van Mierlo Liberal Democrat Henley and Thame
Jeremy Corbyn Independent Islington North

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