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United Kingdom National Nuclear Laboratory Limited

United Kingdom National Nuclear Laboratory Limited is an active company incorporated on 7 October 1999 with the registered office located in Warrington, Cheshire. United Kingdom National Nuclear Laboratory Limited was registered 26 years ago.
Status
Active
Active since 19 years ago
Company No
03857752
Private limited company
Age
26 years
Incorporated 7 October 1999
Size
Large
Turnover is over £54M
Balance sheet is over £27M
Over 250 employees
Confirmation
Submitted
Dated 7 October 2025 (1 month ago)
Next confirmation dated 7 October 2026
Due by 21 October 2026 (11 months remaining)
Last change occurred 23 days ago
Accounts
Submitted
For period 1 Apr ⟶ 31 Mar 2024 (1 year)
Accounts type is Full
Next accounts for period 30 September 2025
Due by 30 June 2026 (7 months remaining)
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Contact Update Details
Address
Chadwick House Warrington Road
Birchwood Park
Warrington
WA3 6AE
Same address for the past 15 years
Telephone
01925289800
Email
Available in Endole App
Website
Nnl.co.uk
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People
Officers
12
Shareholders
1
Controllers (PSC)
1
Doctor Stephen John Garwood
Director • Consultant Engineer • British • Lives in England • Born in Sep 1951
Ms ANN Catherine Cormack
Director • British • Lives in England • Born in Mar 1962
Julianne Antrobus
Director • Chief Executive Officer • British • Lives in England • Born in Jan 1974
Dr Paul John Arton Howarth
Director • British • Lives in UK • Born in Aug 1970
Matthew Stephen Miller
Director • Certified Chartered Accountant • British • Lives in England • Born in Dec 1979
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Shareholders, PSCs & Group Structure
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Mutual Companies
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Dr Paul John Arton Howarth, Matthew Stephen Miller, and 2 more are mutual people.
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NG Bailey Group Limited
Ian Grant Funnell is a mutual person.
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Anglian Water Services Limited
Ian Grant Funnell is a mutual person.
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Anglian Water Services Holdings Limited
Ian Grant Funnell is a mutual person.
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Anglian Water Services Financing Plc
Ian Grant Funnell is a mutual person.
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NNL Holdings Limited
Edward Horatio Emerson is a mutual person.
Active
Age UK Lancashire
Clare Marie Barlow is a mutual person.
Active
Steve Garwood Limited
Doctor Stephen John Garwood is a mutual person.
Active
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Financials
Net Assets, Total Assets & Total Liabilities (2015–2024)
Period Ended
31 Mar 2024
For period 31 Mar ⟶ 31 Mar 2024
Traded for 12 months
Cash in Bank
£22.08M
Decreased by £7.71M (-26%)
Turnover
£148.96M
Increased by £20.34M (+16%)
Employees
1.51K
Increased by 171 (+13%)
Total Assets
£318.18M
Increased by £96.22M (+43%)
Total Liabilities
-£242.97M
Increased by £103.56M (+74%)
Net Assets
£75.21M
Decreased by £7.34M (-9%)
Debt Ratio (%)
76%
Increased by 13.55% (+22%)
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Latest Activity
Mrs Hannah Brewer Gray Appointed
18 Days Ago on 21 Oct 2025
Edward Horatio Emerson Resigned
22 Days Ago on 17 Oct 2025
Confirmation Submitted
23 Days Ago on 16 Oct 2025
Accounting Period Extended
2 Months Ago on 4 Sep 2025
Matthew Stephen Miller Resigned
3 Months Ago on 30 Jul 2025
Mrs Julianne Antrobus Appointed
7 Months Ago on 1 Apr 2025
Professor Neil Graham Smart Appointed
7 Months Ago on 1 Apr 2025
Paul John Arton Howarth Resigned
7 Months Ago on 31 Mar 2025
Stephen John Garwood Resigned
7 Months Ago on 31 Mar 2025
Clare Marie Barlow Resigned
7 Months Ago on 31 Mar 2025
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Documents
Termination of appointment of Edward Horatio Emerson as a director on 17 October 2025
Submitted on 23 Oct 2025
Appointment of Mrs Hannah Brewer Gray as a director on 21 October 2025
Submitted on 23 Oct 2025
Confirmation statement made on 7 October 2025 with updates
Submitted on 16 Oct 2025
Current accounting period extended from 31 March 2025 to 30 September 2025
Submitted on 4 Sep 2025
Termination of appointment of Matthew Stephen Miller as a director on 30 July 2025
Submitted on 30 Jul 2025
Resolutions
Submitted on 3 Apr 2025
Memorandum and Articles of Association
Submitted on 3 Apr 2025
Appointment of Mrs Julianne Antrobus as a director on 1 April 2025
Submitted on 1 Apr 2025
Termination of appointment of Clare Marie Barlow as a director on 31 March 2025
Submitted on 1 Apr 2025
Appointment of Professor Neil Graham Smart as a director on 1 April 2025
Submitted on 1 Apr 2025
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Repayment History
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