- Companies
- Plumbers and heating engineers
- Edinburgh
- Mathias Innovative Bathroom Ltd
Mathias Innovative Bathroom Ltd
- Company number
- SC829540
- Incorporated
- 20 Nov 20241 year trading
- Registered office
- 3 Pennywell Villas, Edinburgh, EH4 4JJ
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation; Floor and wall covering; Other building completion and finishing
Mathias Innovative Bathroom Ltd is a 1-year-old private limited company registered in Edinburgh, company number SC829540, one of 176 plumbing and heating companies in Edinburgh. Companies House shows its accounts as overdue: they were due on 20 August 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 Mathias Innovative Bathroom Ltd is registered
The registered office is in Edinburgh (EH4), in the City of Edinburgh local authority area, Scotland. Show EH4 4JJ on a map.
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What happens if Mathias Innovative Bathroom 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 | 21 Aug 2026 to 20 Sep 2026 | £150 |
| 1 to 3 months late | 21 Sep 2026 to 20 Nov 2026 | £375 |
| 3 to 6 months late | 21 Nov 2026 to 20 Feb 2027 | £750 |
| More than 6 months late | From 21 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC829540
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2024 (1 year ago)
- Registered office
- 3 Pennywell Villas, Edinburgh, EH4 4JJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Floor and wall covering (SIC 43330)
Other building completion and finishing (SIC 43390) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 November 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 Edinburgh
Other active plumbing and heating companies registered in Edinburgh.
- Matt Irwin Plumber & Handyman Ltd2025
- McClure Plumbing & Heating Ltd2022
- MCH Plumbing and Heating Ltd2024
- McInally’S Plumbing and Heating Ltd2026
- MD Gas Ltd2022
- MDC1 Limited2025
- MFH Service Quality Management Limited2013
- Milrae Fire Limited2025
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mathias Innovative Bathroom Ltd's accounts due?
Mathias Innovative Bathroom Ltd's accounts were due at Companies House on 20 August 2026 and the register shows them as overdue.
When is Mathias Innovative Bathroom 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 19 November 2025, due by 19 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mathias Innovative Bathroom Ltd still trading?
Mathias Innovative Bathroom 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 Mathias Innovative Bathroom Ltd do?
Mathias Innovative Bathroom Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Floor and wall covering (SIC 43330); Other building completion and finishing (SIC 43390).
How old is Mathias Innovative Bathroom Ltd?
Mathias Innovative Bathroom Ltd was incorporated on 20 November 2024, 1 year ago.
What is the penalty if Mathias Innovative Bathroom 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 Mathias Innovative Bathroom 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.