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Southern Gas Networks Plc

05167021

active
plc
england wales
Companies House
Health Score
65 / 100

Some Concerns

25/30
Filing
0/30
Financial
40/40
Risk

No risk factors detected.

Details

St Lawrence House, Station Approach, Horley, RH6 9HJ
Incorporated 30/06/2004

Previously known as

Southern Gas Networks Limited · until 28/09/2005
Blackwater G Limited · until 01/06/2005

Compliance

Last accounts

31/03/2025

full

Next accounts due

30/09/2026

On track

Confirmation statement

Last: 11/12/2025

Due 25/12/2026

On track

Industry

35220
Distribution of gaseous fuels through mains

Officers

Ms Charlotte Louise Brunning

director · Since 02/05/2018

INVESTMENT MANAGEMENT

BRITISH · UNITED KINGDOM · Age 40

Also on 4 other boards

Mr Nicholas Robin Salmon

director · Since 14/03/2019

COMPANY DIRECTOR

BRITISH · ENGLAND · Age 74

Also on 7 other boards

Mr Michael John Botha

director · Since 22/03/2022

UNKNOWN

CANADIAN · CANADA · Age 56

Also on 4 other boards

Ms Rebecca Elizabeth Lumlock

director · Since 22/03/2022

OPERATING PARTNER

BRITISH · UNITED KINGDOM · Age 53

Also on 8 other boards

Mr Paul John Vincent Trimmer

director · Since 23/03/2022

SENIOR ADVISOR TO GLOBAL INFRASTRUCTURE

BRITISH · UNITED KINGDOM · Age 70

Also on 8 other boards

Mr Martin Paul Catchpole

director · Since 23/03/2022

PRINCIPAL, GIP

BRITISH · UNITED KINGDOM · Age 50

Also on 7 other boards

Mr Michael Oswald Smart

director · Since 27/05/2022

DIRECTOR

BRITISH · UNITED KINGDOM · Age 45

Also on 9 other boards

Mr Jeffrey Rosenthal

director · Since 14/06/2022

PROFESSIONAL ENGINEER

CANADIAN · CANADA · Age 66

Also on 3 other boards

Ms Joanna Sarah Whittington

director · Since 19/10/2023

NON-EXECUTIVE DIRECTOR

BRITISH · UNITED KINGDOM · Age 59

Also on 4 other boards

Mr David Demes

director · Since 30/01/2025

INVESTMENT PROFESSIONAL

SLOVAK · UNITED KINGDOM · Age 37

Also on 7 other boards

Mr James Alexander Adam

director · Since 30/01/2025

FINANCIER

BRITISH,CANADIAN · UNITED KINGDO · Age 55

Also on 12 other boards

Mr Fungai Makoni

secretary · Since 01/04/2025

Mr Mathew David Turnell-Henry

director · Since 16/05/2025

VICE PRESIDENT; INFRASTRUCTURE PORTFOLIO

BRITISH · UNITED KINGDOM · Age 39

Also on 6 other boards

Mr Afonso Castello-Branco Gois

director · Since 16/05/2025

MANAGING DIRECTOR, GIP

PORTUGUESE · UNITED KINGDOM · Age 41

Also on 6 other boards

Mr Anthony John King

director · Since 11/09/2025

CHIEF EXECUTIVE

BRITISH · ENGLAND · Age 57

Also on 1 other board

Mr Simon David Kilonback

director · Since 11/09/2025

CHIEF EXECUTIVE

BRITISH · ENGLAND · Age 52

Also on 3 other boards

Mr Christopher John Murray

director · Since 01/01/2026

BRITISH · ENGLAND · Age 70

Charlotte Louise Brunning

director · Since 02/05/2018

British · United Kingdom · Age 40

Nicholas Robin Salmon

director · Since 14/03/2019

British · England · Age 74

Rebecca Elizabeth Lumlock

director · Since 22/03/2022

British · United Kingdom · Age 53

Michael John Botha

director · Since 22/03/2022

Canadian · Canada · Age 56

Paul John Vincent Trimmer

director · Since 23/03/2022

British · United Kingdom · Age 70

Martin Paul Catchpole

director · Since 23/03/2022

British · United Kingdom · Age 50

Michael Oswald Smart

director · Since 27/05/2022

British · United Kingdom · Age 45

Jeffrey Rosenthal

director · Since 14/06/2022

Canadian · Canada · Age 66

Joanna Sarah Whittington

director · Since 19/10/2023

British · United Kingdom · Age 59

James Alexander Adam

director · Since 30/01/2025

British,Canadian · United Kingdom · Age 55

David Demes

director · Since 30/01/2025

Slovak · United Kingdom · Age 37

Fungai Makoni

secretary · Since 01/04/2025

Afonso Castello-Branco Gois

director · Since 16/05/2025

Portuguese · United Kingdom · Age 41

Mathew David Turnell-Henry

director · Since 16/05/2025

British · United Kingdom · Age 39

Anthony John King

director · Since 11/09/2025

British · England · Age 57

Simon David Kilonback

director · Since 11/09/2025

British · England · Age 52

Christopher John Murray

director · Since 01/01/2026

British · England · Age 70

Former

Richard Anthony Eves

director · Resigned 27/08/2004

Andrew Peter Durrant

director · Resigned 27/08/2004

Ian Christopher Davis

director · Resigned 15/04/2005

Richard Anthony Eves

secretary · Resigned 01/06/2005

Andrew Peter Durrant

secretary · Resigned 01/06/2005

Colin Buck

director · Resigned 01/06/2005

Steven John Holliday

director · Resigned 01/06/2005

Mark Robert Fairbairn

director · Resigned 01/06/2005

David John Halsey

director · Resigned 01/06/2005

Alison Barbara Kay

director · Resigned 01/06/2005

Graham Gerald Juggins

director · Resigned 21/07/2006

Tanya Maria Covassin

director · Resigned 26/06/2008

Ailsa Mary Gray

secretary · Resigned 29/01/2009

Debbie Mary Harding

secretary · Resigned 30/03/2010

Jonathan Jeffery Adams

secretary · Resigned 26/07/2011

Colin William Hood

director · Resigned 27/09/2011

Stephen Donald Dowd

director · Resigned 06/03/2013

Neil Patrick Fleming

director · Resigned 02/05/2018

Graham Gerald Juggins

director · Resigned 06/09/2018

Kenton Edward Bradbury

director · Resigned 14/09/2018

Natalie Michaela Flageul

director · Resigned 22/07/2020

Ines Grund

director · Resigned 03/11/2020

Guy Lambert

director · Resigned 30/05/2021

Fraser Mcgregor Alexander

director · Resigned 22/03/2022

Adam Michael Cooper Friedrichsen

director · Resigned 23/03/2022

Sharmila Virginia Sylvester

secretary · Resigned 01/11/2023

Antoine Jean René Kerrenneur

director · Resigned 15/04/2024

Christian Herbert Fingerle

director · Resigned 13/09/2024

Megan Rose Birtwistle

secretary · Resigned 15/01/2025

Nicola Anne Shand

secretary · Resigned 06/11/2025

Paul Robert Jeffery

director · Resigned 01/01/2026

Matthew Jonathan Gross

director · Resigned 31/03/2026

Persons with Significant Control

Sgn Midco Limited

75–100% shares
75–100% votes
Appoint directors

St Lawrence House, Station Approach, Horley, RH6 9HJ

Reg: 11050000 · Companies House · Limited By Shares

Notified 05/12/2017

Former PSCs

Scotia Gas Networks Limited

Ceased 04/12/2017

Sgn Pledgeco Limited

Ceased 05/12/2017

Change History

statusactive
2026-06-10

Active

typeplc
2026-06-10

Public Limited Company

address line1St Lawrence House
2026-06-10

ST LAWRENCE HOUSE

post townHorley
2026-06-10

HORLEY

officer appointedMAKONI, Fungai
2026-06-10
officer appointedADAM, James Alexander
2026-06-10
officer appointedBOTHA, Michael John
2026-06-10
officer appointedBRUNNING, Charlotte Louise
2026-06-10
officer appointedCATCHPOLE, Martin Paul
2026-06-10
officer appointedDEMES, David
2026-06-10
officer appointedGOIS, Afonso Castello-Branco
2026-06-10
officer appointedKILONBACK, Simon David
2026-06-10
officer appointedKING, Anthony John
2026-06-10
officer appointedLUMLOCK, Rebecca Elizabeth
2026-06-10
officer appointedMURRAY, Christopher John
2026-06-10
officer appointedROSENTHAL, Jeffrey
2026-06-10
officer appointedSALMON, Nicholas Robin
2026-06-10
officer appointedSMART, Michael Oswald
2026-06-10
officer appointedTRIMMER, Paul John Vincent
2026-06-10
officer appointedTURNELL-HENRY, Mathew David
2026-06-10