- Companies
- Plumbers and heating engineers
- Carlisle
- Ocm Plumbing Ltd
Ocm Plumbing Ltd
- Company number
- 16112236
- Incorporated
- 2 Dec 20241 year trading
- Registered office
- 268 London Road, Carlisle, Cumbria, CA1 2QS
- Nature of business
- Plumbing, heat and air-conditioning installation
Ocm Plumbing Ltd is a 1-year-old private limited company registered in Carlisle, company number 16112236, one of 50 plumbing and heating companies in Carlisle. Companies House shows its accounts as overdue: they were due on 2 September 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Ocm Plumbing Ltd is registered
The registered office is in Carlisle (CA1), in the Cumberland local authority area, North West. Show CA1 2QS on a map.
Other trade companies in CA1
- Fine Finish Interiors LtdJoiners and carpenters
- GB Groundworks LtdCivil engineering
- Oak End Construction & Management LtdProperty developers
- GS10 Trading LimitedMotor traders
- Overbuilt UK LtdMotor traders
- Fire Door 360 LimitedJoiners and carpenters
- Carlisle Remapping LtdMechanics and garages
- Adam G Smith LimitedPlumbers and heating engineers
What happens if Ocm Plumbing Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Sep 2026 to 2 Oct 2026 | £150 |
| 1 to 3 months late | 3 Oct 2026 to 2 Dec 2026 | £375 |
| 3 to 6 months late | 3 Dec 2026 to 2 Mar 2027 | £750 |
| More than 6 months late | From 3 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16112236
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 December 2024 (1 year ago)
- Registered office
- 268 London Road, Carlisle, Cumbria, CA1 2QS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 1 December 2025
- Previous names
- Oc Group (Cumbria) Ltd (until 1 Sep 2025)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Carlisle
Other active plumbing and heating companies registered in Carlisle.
- P J Cumbria Ltd2015
- Pipes Plumbing & Heating Ltd2022
- PSG Plumbing & Heating (Cumbria) Limited2020
- Refrigeration (Mitton) Limited1990
- Robek Plumbing and Heating Limited2002
- S.H Plumbing Services Limited2025
- Saint Queens Limited2025
- Southwell Services Ltd2026
All plumbing and heating companies in Carlisle · All trades in Carlisle · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ocm Plumbing Ltd's accounts due?
Ocm Plumbing Ltd's accounts were due at Companies House on 2 September 2026 and the register shows them as overdue.
When is Ocm Plumbing Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 1 December 2025, due by 1 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ocm Plumbing Ltd still trading?
Ocm Plumbing Ltd is listed as active on the Companies House register (checked 13 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Ocm Plumbing Ltd do?
Ocm Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ocm Plumbing Ltd?
Ocm Plumbing Ltd was incorporated on 2 December 2024, 1 year ago.
What is the penalty if Ocm Plumbing Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Ocm Plumbing Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.