RADIOACTIVE WASTE MANAGEMENT LIMITED

Company summary

Company number: 08920190
Status: ACTIVE
Incorporated / age: 3 March 201412 years
Registered office: Pelham House Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
Accounts due: 31 December 2026
Confirmation statement due: 23 March 2027
Active officers: 3
Outstanding charges: 0

Sourced from Companies House, retrieved 3 October 2026 at 10:17 UTC. This is public register information, not a credit or legal assessment.

View this company on the Companies House register

Company type
Private limited company
Address
Pelham House Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
Nature of business
Other professional, scientific and technical activities n.e.c.

Officer details

Name	Role	Appointed On	Resigned On	Country of Residence	Date of Birth	Address
DE KEYSER, Alexandra ACTIVE	Secretary	01 Feb 2026				Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
DE KEYSER, Alexandra ACTIVE	Director	01 Feb 2026		England	December 1980	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
KYBIRD, Seth ACTIVE	Director	01 Apr 2025		England	September 1977	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
BENNETT, Victoria Susan RESIGNED	Secretary	01 Jan 2022	31 Jan 2026			Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
DE KEYSER, Alex RESIGNED	Secretary	09 Jun 2021	31 Dec 2021			Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
HODGSON, Helen Elizabeth RESIGNED	Secretary	03 Mar 2014	23 Jan 2020			Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom
SHAW, Matthew RESIGNED	Secretary	23 Jan 2020	09 Jun 2021			Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
BALDWIN, Neil Dennis RESIGNED	Director	01 Jan 2022	03 Jul 2023	England	February 1957	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
BATTERS, David Gordon RESIGNED	Director	01 Sep 2016	01 Feb 2018	United Kingdom	December 1965	Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU
BENNETT, Victoria Susan RESIGNED	Director	16 Jun 2025	31 Jan 2026	England	November 1974	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
BOWMAN, Michael Byron John, Dr RESIGNED	Director	29 Nov 2016	31 Dec 2021	England	January 1953	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
BROWNRIDGE, Melanie Nia RESIGNED	Director	01 Jan 2022	01 Apr 2024	United Kingdom	August 1971	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
BROWNRIDGE, Nia Melanie RESIGNED	Director	03 Mar 2014	30 Apr 2019	England	August 1971	Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom
BUTTERY, Michael John RESIGNED	Director	01 Jan 2022	31 Oct 2025	United Kingdom	August 1975	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
CORDEROY, John Roger RESIGNED	Director	01 Nov 2017	04 May 2021	United Kingdom	June 1966	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
CUMMING, Alan Douglas RESIGNED	Director	01 Sep 2021	01 Apr 2024	England	May 1962	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
CURTIS, Charles David, Professor RESIGNED	Director	03 Mar 2014	29 Nov 2016	England	November 1939	Townhead Cottage, Edale Road, Hope, Derbyshire, S33 6SF, England
DOHERTY, Kiernan Patrick RESIGNED	Director	17 Oct 2016	30 Apr 2018	United Kingdom	November 1966	587, Curie Avenue, Harwell Oxford, Didcot, OX11 0RH, England
DOUTHWAITE, Susan Margaret RESIGNED	Director	01 Jan 2016	03 Feb 2017	England	October 1962	44, Merrion Street, Leeds, LS2 8JL, United Kingdom
ELLIS, Alun Tudor RESIGNED	Director	03 Mar 2014	26 Apr 2016	England	March 1955	Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom
GOLSHAN, Mina RESIGNED	Director	01 Jul 2023	01 Apr 2024	England	June 1974	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
HIGGINS, Robert Andrew Bryson RESIGNED	Director	03 Mar 2014	24 Nov 2015	United Kingdom	August 1965	Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom
HONAP, Shrinivas Madhav RESIGNED	Director	01 Jan 2022	01 Apr 2024	England	December 1962	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
KELBIE, Adrienne RESIGNED	Director	01 Jan 2022	01 Apr 2024	Scotland	November 1970	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
LOCK, Peter John RESIGNED	Director	26 Apr 2016	31 Dec 2021	England	December 1966	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
LOWE, William Nigel RESIGNED	Director	01 Jan 2016	10 Oct 2016	United Kingdom	November 1959	Hinton House,, Nda, Hinton House, Risley, Warrington, WA3 6GR, England
MCCALL, Ann Marie RESIGNED	Director	26 Apr 2016	18 Dec 2019	England	April 1962	587, Curie Avenue, Harwell Oxford, Didcot, Oxfordshire, OX11 0RH, England
MCKIRDY, Bruce John RESIGNED	Director	03 Mar 2014	31 Mar 2020	England	March 1958	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
MORLEY, Malcolm, Professor RESIGNED	Director	01 Nov 2017	31 Dec 2021	England	June 1955	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
PARR, Corhyn RESIGNED	Director	01 May 2019	31 Mar 2025	England	April 1979	Hinton House, Birchwood Park Avenue, Birchwood, Warrington, WA3 6GR, England
PHILLIPS, Jonathan David RESIGNED	Director	03 Mar 2014	31 Mar 2016	England	August 1966	Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom
PROUT, David Michael RESIGNED	Director	24 Jul 2018	01 Apr 2024	United Kingdom	March 1963	University Offices, Wellington Square, Oxford, OX1 2JD, England
SIMPER, Adrian Mark, Dr RESIGNED	Director	03 Mar 2014	31 Aug 2016	United Kingdom	September 1966	Yew Tree Farm, Wasdale, Seascale, Cumbria, CA20 1EU, England
SOTNICK, Juliet Eve RESIGNED	Director	05 Jan 2024	01 Apr 2024	England	December 1967	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England
THEGERSTROM, Claes RESIGNED	Director	03 Mar 2014	31 Dec 2021	Sweden	November 1947	Lilla Erstagatan, 6, Stockholm, 11628, Sweden
VALLANCE, Paul Andrew RESIGNED	Director	26 Sep 2016	16 Apr 2018	England	October 1969	Hinton House, Birchwood Park Avenue, Birchwood, Warrington, Cheshire, WA3 6GR, England
VAN DER LEM, Andrew Cornelis RESIGNED	Director	16 Apr 2018	23 Jul 2021	England	January 1972	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
WALKINGSHAW, Martin RESIGNED	Director	01 Jan 2022	01 Apr 2024	United Kingdom	August 1966	Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England
WHEELER, Karen RESIGNED	Director	24 Jul 2018	31 Jan 2023	England	November 1956	Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

DE KEYSER, Alexandra ACTIVE
Role: Secretary
Appointed on: 01 Feb 2026
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

DE KEYSER, Alexandra ACTIVE
Role: Director
Appointed on: 01 Feb 2026
Country of Residence: England
Date of birth: December 1980
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

KYBIRD, Seth ACTIVE
Role: Director
Appointed on: 01 Apr 2025
Country of Residence: England
Date of birth: September 1977
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

BENNETT, Victoria Susan RESIGNED
Role: Secretary
Appointed on: 01 Jan 2022
Resigned on: 31 Jan 2026
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

DE KEYSER, Alex RESIGNED
Role: Secretary
Appointed on: 09 Jun 2021
Resigned on: 31 Dec 2021
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

HODGSON, Helen Elizabeth RESIGNED
Role: Secretary
Appointed on: 03 Mar 2014
Resigned on: 23 Jan 2020
Address: Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom

SHAW, Matthew RESIGNED
Role: Secretary
Appointed on: 23 Jan 2020
Resigned on: 09 Jun 2021
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

BALDWIN, Neil Dennis RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 03 Jul 2023
Country of Residence: England
Date of birth: February 1957
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

BATTERS, David Gordon RESIGNED
Role: Director
Appointed on: 01 Sep 2016
Resigned on: 01 Feb 2018
Country of Residence: United Kingdom
Date of birth: December 1965
Address: Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU

BENNETT, Victoria Susan RESIGNED
Role: Director
Appointed on: 16 Jun 2025
Resigned on: 31 Jan 2026
Country of Residence: England
Date of birth: November 1974
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

BOWMAN, Michael Byron John, Dr RESIGNED
Role: Director
Appointed on: 29 Nov 2016
Resigned on: 31 Dec 2021
Country of Residence: England
Date of birth: January 1953
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

BROWNRIDGE, Melanie Nia RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 01 Apr 2024
Country of Residence: United Kingdom
Date of birth: August 1971
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

BROWNRIDGE, Nia Melanie RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 30 Apr 2019
Country of Residence: England
Date of birth: August 1971
Address: Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom

BUTTERY, Michael John RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 31 Oct 2025
Country of Residence: United Kingdom
Date of birth: August 1975
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

CORDEROY, John Roger RESIGNED
Role: Director
Appointed on: 01 Nov 2017
Resigned on: 04 May 2021
Country of Residence: United Kingdom
Date of birth: June 1966
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

CUMMING, Alan Douglas RESIGNED
Role: Director
Appointed on: 01 Sep 2021
Resigned on: 01 Apr 2024
Country of Residence: England
Date of birth: May 1962
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

CURTIS, Charles David, Professor RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 29 Nov 2016
Country of Residence: England
Date of birth: November 1939
Address: Townhead Cottage, Edale Road, Hope, Derbyshire, S33 6SF, England

DOHERTY, Kiernan Patrick RESIGNED
Role: Director
Appointed on: 17 Oct 2016
Resigned on: 30 Apr 2018
Country of Residence: United Kingdom
Date of birth: November 1966
Address: 587, Curie Avenue, Harwell Oxford, Didcot, OX11 0RH, England

DOUTHWAITE, Susan Margaret RESIGNED
Role: Director
Appointed on: 01 Jan 2016
Resigned on: 03 Feb 2017
Country of Residence: England
Date of birth: October 1962
Address: 44, Merrion Street, Leeds, LS2 8JL, United Kingdom

ELLIS, Alun Tudor RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 26 Apr 2016
Country of Residence: England
Date of birth: March 1955
Address: Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom

GOLSHAN, Mina RESIGNED
Role: Director
Appointed on: 01 Jul 2023
Resigned on: 01 Apr 2024
Country of Residence: England
Date of birth: June 1974
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

HIGGINS, Robert Andrew Bryson RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 24 Nov 2015
Country of Residence: United Kingdom
Date of birth: August 1965
Address: Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom

HONAP, Shrinivas Madhav RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 01 Apr 2024
Country of Residence: England
Date of birth: December 1962
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

KELBIE, Adrienne RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 01 Apr 2024
Country of Residence: Scotland
Date of birth: November 1970
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

LOCK, Peter John RESIGNED
Role: Director
Appointed on: 26 Apr 2016
Resigned on: 31 Dec 2021
Country of Residence: England
Date of birth: December 1966
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

LOWE, William Nigel RESIGNED
Role: Director
Appointed on: 01 Jan 2016
Resigned on: 10 Oct 2016
Country of Residence: United Kingdom
Date of birth: November 1959
Address: Hinton House,, Nda, Hinton House, Risley, Warrington, WA3 6GR, England

MCCALL, Ann Marie RESIGNED
Role: Director
Appointed on: 26 Apr 2016
Resigned on: 18 Dec 2019
Country of Residence: England
Date of birth: April 1962
Address: 587, Curie Avenue, Harwell Oxford, Didcot, Oxfordshire, OX11 0RH, England

MCKIRDY, Bruce John RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 31 Mar 2020
Country of Residence: England
Date of birth: March 1958
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

MORLEY, Malcolm, Professor RESIGNED
Role: Director
Appointed on: 01 Nov 2017
Resigned on: 31 Dec 2021
Country of Residence: England
Date of birth: June 1955
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

PARR, Corhyn RESIGNED
Role: Director
Appointed on: 01 May 2019
Resigned on: 31 Mar 2025
Country of Residence: England
Date of birth: April 1979
Address: Hinton House, Birchwood Park Avenue, Birchwood, Warrington, WA3 6GR, England

PHILLIPS, Jonathan David RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 31 Mar 2016
Country of Residence: England
Date of birth: August 1966
Address: Nuclear Decommissioning Authority, Herdus House, Westlakes Science And Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom

PROUT, David Michael RESIGNED
Role: Director
Appointed on: 24 Jul 2018
Resigned on: 01 Apr 2024
Country of Residence: United Kingdom
Date of birth: March 1963
Address: University Offices, Wellington Square, Oxford, OX1 2JD, England

SIMPER, Adrian Mark, Dr RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 31 Aug 2016
Country of Residence: United Kingdom
Date of birth: September 1966
Address: Yew Tree Farm, Wasdale, Seascale, Cumbria, CA20 1EU, England

SOTNICK, Juliet Eve RESIGNED
Role: Director
Appointed on: 05 Jan 2024
Resigned on: 01 Apr 2024
Country of Residence: England
Date of birth: December 1967
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

THEGERSTROM, Claes RESIGNED
Role: Director
Appointed on: 03 Mar 2014
Resigned on: 31 Dec 2021
Country of Residence: Sweden
Date of birth: November 1947
Address: Lilla Erstagatan, 6, Stockholm, 11628, Sweden

VALLANCE, Paul Andrew RESIGNED
Role: Director
Appointed on: 26 Sep 2016
Resigned on: 16 Apr 2018
Country of Residence: England
Date of birth: October 1969
Address: Hinton House, Birchwood Park Avenue, Birchwood, Warrington, Cheshire, WA3 6GR, England

VAN DER LEM, Andrew Cornelis RESIGNED
Role: Director
Appointed on: 16 Apr 2018
Resigned on: 23 Jul 2021
Country of Residence: England
Date of birth: January 1972
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

WALKINGSHAW, Martin RESIGNED
Role: Director
Appointed on: 01 Jan 2022
Resigned on: 01 Apr 2024
Country of Residence: United Kingdom
Date of birth: August 1966
Address: Building 329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England

WHEELER, Karen RESIGNED
Role: Director
Appointed on: 24 Jul 2018
Resigned on: 31 Jan 2023
Country of Residence: England
Date of birth: November 1956
Address: Pelham House, Pelham Drive, Calderbridge, Seascale, CA20 1DB, England

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