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- Tinersit Group Limited
Company profile · Plumbers and heating engineers
Tinersit Group Limited
Tinersit Group Limited is a newly incorporated private limited company registered in London, company number 17069998, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 4 December 2027, and its first CT600 is due at HMRC on 3 March 2028.
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.
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Where Tinersit Group Limited is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
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- Kenneth Brady LtdElectricians
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- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Tinersit Group Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 4 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Dec 2027 to 4 Jan 2028 | £150 |
| 1 to 3 months late | 5 Jan 2028 to 4 Mar 2028 | £375 |
| 3 to 6 months late | 5 Mar 2028 to 4 Jun 2028 | £750 |
| More than 6 months late | From 5 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 17069998
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740)
Retail sale of hardware, paints and glass in specialised stores (SIC 47520)
Retail sale via mail order houses or via Internet (SIC 47910) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active plumbing and heating companies registered in London.
- TJ Heating Plumbing Services Ltd2026
- TJ Vertex Ltd2026
- TJM Gas and Heating Services Ltd2023
- TK Home Services Limited2025
- TLB Heating & Plumbing Ltd2024
- TLC Emergency Maintenance Ltd2011
- TLM Pipework Services Ltd2023
- TLS Heating Ltd2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Tinersit Group Limited's accounts due?
Tinersit Group Limited's next accounts are due at Companies House by 4 December 2027 (in 418 days), covering the period to 31 March 2027.
When is Tinersit Group Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 March 2027, due by 3 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Tinersit Group Limited still trading?
Tinersit Group Limited is listed as active on the Companies House register as of 1 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 Tinersit Group Limited do?
Tinersit Group Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740); Retail sale of hardware, paints and glass in specialised stores (SIC 47520); Retail sale via mail order houses or via Internet (SIC 47910).
How old is Tinersit Group Limited?
Tinersit Group Limited was incorporated on 4 March 2026, less than a year ago.
What is the penalty if Tinersit Group Limited 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 Tinersit Group Limited on Companies House for filed documents, officers and the full history.
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Based on the Companies House register (snapshot 1 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.