- Companies
- Plumbers and heating engineers
- Caterham
- Mechanicus Ltd
Mechanicus Ltd
- Company number
- 16697267
- Incorporated
- 5 Sep 20251 year trading
- Registered office
- 7 Highfield Road, Caterham, CR3 6QX
- Nature of business
- Plumbing, heat and air-conditioning installation
Mechanicus Ltd is a 1-year-old private limited company registered in Caterham, company number 16697267, one of 28 plumbing and heating companies in Caterham. Its next accounts are due at Companies House on 5 June 2027, and its first CT600 is due at HMRC on 4 September 2027.
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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Who runs and owns Mechanicus Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** J*** | Director | Sep 2025 |
Person with significant control
Where Mechanicus Ltd is registered
The registered office is in Caterham (CR3), in the Tandridge local authority area, South East. Show CR3 6QX on a map.
Other trade companies in CR3
- Epw Group (London) LtdCleaning companies
- Limitless Flooring LtdFloor and wall tilers
- 5 Star Renovation LtdFinishing trades
- Moncur Heating LimitedPlumbers and heating engineers
- Rayce Projects LtdProperty developers
- DDB Building LtdFinishing trades
- Eljayar LimitedLandscapers and gardeners
- Apex Scaffold Services LtdScaffolders
What happens if Mechanicus Ltd 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 5 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jun 2027 to 5 Jul 2027 | £150 |
| 1 to 3 months late | 6 Jul 2027 to 5 Sep 2027 | £375 |
| 3 to 6 months late | 6 Sep 2027 to 5 Dec 2027 | £750 |
| More than 6 months late | From 6 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | 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
- 16697267
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 2025 (1 year ago)
- Registered office
- 7 Highfield Road, Caterham, CR3 6QX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 September 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 Caterham
Other active plumbing and heating companies registered in Caterham.
- Moncur Heating Limited2026
- MPM Mechanical Services Limited2016
- Newman Heating Limited2005
- Novon Group Ltd2020
- P.Hills Heating Ltd2026
- Pro-Vent Ductwork Services Ltd2022
- Solar Projects & Services Ltd2009
- Spark Cool Services Ltd2025
All plumbing and heating companies in Caterham · All trades in Caterham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mechanicus Ltd's accounts due?
Mechanicus Ltd's next accounts are due at Companies House by 5 June 2027 (in 236 days), covering the period to 30 September 2026.
When is Mechanicus 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 4 September 2026, due by 4 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mechanicus Ltd still trading?
Mechanicus Ltd 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 Mechanicus Ltd do?
Mechanicus Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mechanicus Ltd?
Mechanicus Ltd was incorporated on 5 September 2025, 1 year ago.
Who runs Mechanicus Ltd?
Mechanicus Ltd has 1 active director, the longest-serving appointed in Sep 2025. Their names and service addresses are on the Companies House register.
Who owns Mechanicus Ltd?
One person or company has significant control of Mechanicus Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Mechanicus 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 Mechanicus Ltd on Companies House for filed documents, officers and the full history.
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.