- Companies
- Plumbers and heating engineers
- London
- Crown Plumbing and Maintenance Ltd
Crown Plumbing and Maintenance Ltd
- Company number
- 16932461
- Incorporated
- 28 Dec 2025
- Registered office
- 3 the Concourse, London, NW9 5UX
- Nature of business
- Plumbing, heat and air-conditioning installation
Crown Plumbing and Maintenance Ltd is a newly incorporated private limited company registered in London, company number 16932461, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 28 September 2027, and its first CT600 is due at HMRC on 27 December 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.
Is this your company?
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Where Crown Plumbing and Maintenance Ltd is registered
The registered office is in London (NW9), in the Barnet local authority area, London. Show NW9 5UX on a map.
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What happens if Crown Plumbing and Maintenance 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 28 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Sep 2027 to 28 Oct 2027 | £150 |
| 1 to 3 months late | 29 Oct 2027 to 28 Dec 2027 | £375 |
| 3 to 6 months late | 29 Dec 2027 to 28 Mar 2028 | £750 |
| More than 6 months late | From 29 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16932461
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 December 2025
- Registered office
- 3 the Concourse, London, NW9 5UX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (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.
- Cryo-Air Ltd2026
- Crystal Air Solutions Ltd2025
- Crystal Heating and Plumbing Ltd2024
- CSL Heating & Mechanical Services Limited2017
- CSR Service and Maintenance Ltd2019
- CT 11356910 Ltd2018
- CT Trade Solutions Ltd2025
- Cul Services Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Crown Plumbing and Maintenance Ltd's accounts due?
Crown Plumbing and Maintenance Ltd's next accounts are due at Companies House by 28 September 2027 (in 349 days), covering the period to 31 December 2026.
When is Crown Plumbing and Maintenance 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 27 December 2026, due by 27 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Crown Plumbing and Maintenance Ltd still trading?
Crown Plumbing and Maintenance 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 Crown Plumbing and Maintenance Ltd do?
Crown Plumbing and Maintenance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Crown Plumbing and Maintenance Ltd?
Crown Plumbing and Maintenance Ltd was incorporated on 28 December 2025, less than a year ago.
What is the penalty if Crown Plumbing and Maintenance 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 Crown Plumbing and Maintenance 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.