- Companies
- Plumbers and heating engineers
- Cardiff
- Metric Interior Systems Ltd
Metric Interior Systems Ltd
- Company number
- 12134229
- Incorporated
- 1 Aug 20197 years trading
- Registered office
- PO Box 4385, 12134229 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation; Plastering
Metric Interior Systems Ltd is a 7-year-old private limited company registered in Cardiff, company number 12134229, one of 170 plumbing and heating companies in Cardiff. Companies House shows its accounts as overdue: they were due on 31 December 2025.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £2,393 on the year before, to £2,200.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £13K against £16K owed within a year: 0.8 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | £2,200 | £2,091 | £13K | £16K | 2 |
| 31 Mar 2023 | -£193 | £611 | £7,559 | £20K | 3 |
| 31 Mar 2022 | £508 | £7,766 | £17K | 2 | |
| 31 Mar 2021 | £2 | ||||
| 31 Aug 2020 | £2 | £2 |
Where Metric Interior Systems Ltd is registered
The registered office is in Cardiff (CF14), in the Caerphilly local authority area, Wales. Show CF14 8LH on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Metric Interior Systems Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2026 to 31 Jan 2026 | £150 |
| 1 to 3 months late | 1 Feb 2026 to 31 Mar 2026 | £375 |
| 3 to 6 months late | 1 Apr 2026 to 30 Jun 2026 | £750 |
| More than 6 months late | From 1 Jul 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2026 | £200 |
| 3 months late | 30 Jun 2026 | another £200 |
| 6 months late | 30 Sep 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12134229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2019 (7 years ago)
- Registered office
- PO Box 4385, 12134229 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Plastering (SIC 43310) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2024
- Last confirmation statement
- 22 April 2026
- Previous names
- Ocean City Bathrooms Ltd (until 23 Apr 2026)
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 Cardiff
Other active plumbing and heating companies registered in Cardiff.
- MG Heating & Plumbing Services Ltd2026
- MLR Plumbing Limited2025
- MMK Mechanical Ltd2020
- MPH Installations Ltd2018
- MR Builder MH Ltd2024
- Multi-Fix Property Maintenance Ltd.2025
- N J Harkus Plumbing and Heating Limited2013
- N.E.C. Plumbing and Heating Limited2005
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Metric Interior Systems Ltd's accounts due?
Metric Interior Systems Ltd's accounts were due at Companies House on 31 December 2025 and the register shows them as overdue.
When is Metric Interior Systems Ltd's CT600 due?
The CT600 for the period to 31 March 2025 is due at HMRC by 31 March 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2026.
Is Metric Interior Systems Ltd still trading?
Metric Interior Systems Ltd is listed as active on the Companies House register (checked 12 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 Metric Interior Systems Ltd do?
Metric Interior Systems Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Plastering (SIC 43310).
How old is Metric Interior Systems Ltd?
Metric Interior Systems Ltd was incorporated on 1 August 2019, 7 years ago.
What is the penalty if Metric Interior Systems 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 Metric Interior Systems Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.