Annual accounts
Full accounts
30/09/2027Filing deadline
Made up to 31/12/2025Due 30/09/2027
- Next accounts made up to
- 31/12/2026
- Last accounts made up to
- 31/12/2025
SIDERISE INSULATION LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Siderise Forge Industrial Estate, Nantyfyllon, Maesteg CF34 0AH
- Classification (SIC)
- Other manufacturing n.e.c. (32.99 - SIC 2007)
- Accounts type
- Full
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 10/08/2026View PDF (35 pages)
Full accounts made up to 2025-12-31
- 08/04/2026View PDF (3 pages)
Confirmation statement made on 2026-04-05 with no updates
- 01/04/2026View PDF (60 pages)
Registration of charge 023703500005, created on 2026-03-31
- 03/10/2025View PDF (2 pages)
Appointment of David Ladd as a director on 2025-09-29
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
19/04/2027Filing deadline
Last statement 05/04/2026Due 19/04/2027
- Next statement date
- 05/04/2027
- Last statement dated
- 05/04/2026
Financial performance
The latest figures SIDERISE INSULATION LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£56.87M2025
9.68%vs 20242024: £51.85M
Total Assets
£79.83M2025
14.73%vs 20242024: £69.58M
Cash in Bank
£9.36M2025
87.75%vs 20242024: £4.99M
Total Liabilities
£20.02M2025
38.08%vs 20242024: £14.50M
Employees
12025
0vs 20242024: 1
Of the 4 measures with an earlier filing to compare against, 4 rose. Total assets moved furthest, up 14.73% on 2024. See the full financial analysis for SIDERISE INSULATION LIMITED.
The full financial record
Four ways through SIDERISE INSULATION LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · +15.2% a year (CAGR)Three-year trend, 2023–2025Every measure end to end across 2023, 2024 and 2025, with the compound rate behind each one.See what moved5 chartsCharts by indicator5 filed indicators plotted year by year, 2021–2025.Plot the figuresNothing estimatedRatios from the filed figures4 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 5 yearsEvery figure by yearAll 5 measures Okredo tracks across 5 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 1 | 0 |
| 2024 | 1 | -130 |
| 2023 | 131 | +11 |
| 2022 | 120 | +15 |
| 2021 | 105 | – |
Reported employee count decreased from 105 in 2021 to 1 in 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
18Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 19/09/2023–Present | 5 | |
| Director | 19/09/2023–Present | 5 | |
| Director | 25/06/2019–31/03/2025 | 6 | |
| Director | 14/12/2020–Present | 1 | |
| Secretary | 09/09/2012–24/06/2019 | 0 | |
| Secretary | 16/09/2011–09/09/2012 | 0 | |
| Director | 19/09/2023–31/05/2026 | 2 | |
| Director | 29/02/2012–24/06/2019 | 2 | |
| Director | 01/01/2019–04/04/2020 | 5 | |
| Director | 31/10/2007–08/09/2014 | 3 | |
| Director | 29/09/2025–Present | 9 | |
| Director | 16/04/2018–16/04/2018 | 1 | |
| Director | 14/12/2020–Present | 14 | |
| Director | 19/09/2023–29/09/2025 | 47 | |
| Director | 01/01/2019–06/02/2022 | 0 | |
| Director | 15/11/2022–Present | 3 | |
| Director | 16/04/2018–30/12/2020 | 8 | |
| Director | 14/12/2020–28/02/2023 | 20 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 19
- Since 08/01/2020
- Last 12 months
- 3
- -3 vs the year before
- Most recent filing
- 10/08/2026
- 1 month ago
What changed in the last year
- Accounts filedLatest 10/08/2026
- Confirmation statementLatest 08/04/2026
- Charges and mortgagesLatest 01/04/2026
Filing timeline
- 10/08/2026View PDF (35 pages)
Full accounts made up to 2025-12-31
- 08/04/2026View PDF (3 pages)
Confirmation statement made on 2026-04-05 with no updates
- 01/04/2026View PDF (60 pages)
Registration of charge 023703500005, created on 2026-03-31
- 03/10/2025View PDF (2 pages)
Appointment of David Ladd as a director on 2025-09-29
- 03/10/2025View PDF (1 pages)
Termination of appointment of Michael Damien Holton as a director on 2025-09-29
- 18/08/2025View PDF (32 pages)
Full accounts made up to 2024-12-31
- 14/05/2025View PDF (60 pages)
Registration of charge 023703500004, created on 2025-05-13
- 14/04/2025View PDF (3 pages)
Confirmation statement made on 2025-04-05 with no updates
- 07/04/2025View PDF (1 pages)
Termination of appointment of Stephen Charles Swales as a director on 2025-03-31
- 27/09/2024View PDF (32 pages)
Full accounts made up to 2023-12-31
- 15/04/2024View PDF (3 pages)
Confirmation statement made on 2024-04-05 with no updates
- 23/10/2023View PDF (2 pages)
Appointment of Mr Michael Damien Holton as a director on 2023-09-19
Showing 12 of 19 filings
See when the next accounts and confirmation statement are due
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About SIDERISE INSULATION LIMITED
A short description of the company, written from its Companies House record.
SIDERISE INSULATION LIMITED is a private limited company registered in the United Kingdom, based in Siderise Forge Industrial Estate, Nantyfyllon, Maesteg CF34 0AH. Companies House classifies its business as Other manufacturing n.e.c.. It has been on the register for 37 years 5 months.
The register currently records it as active. Its 2025 accounts report net assets of £56.87M and 1 employee.
SIDERISE INSULATION LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records SIDERISE INSULATION LIMITED under one registered business activity: Other manufacturing n.e.c. (32.99 - SIC 2007).
SIDERISE INSULATION LIMITED is recorded as active on the Companies House register, and has been on it since 10/04/1989.
The most recent accounts Okredo holds cover 2025 and report net assets of £56.87M, total assets of £79.83M, cash in bank of £9.36M and total liabilities of £20.02M.
The most recent document on the record is dated 10/08/2026: Full accounts made up to 2025-12-31, 1 month ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 19/04/2027.
Companies House lists 18 officers (6 currently in post) and 0 people with significant control.