- Companies
- Electricians
- London
- Cowboy Plumbing and Heating Ltd
Cowboy Plumbing and Heating Ltd
- Company number
- 16699129
- Incorporated
- 6 Sep 20251 year trading
- Registered office
- 6 Beaconsfield Parade, London, SE9 4EA
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Plastering; Wholesale of hardware, plumbing and heating equipment and supplies
Cowboy Plumbing and Heating Ltd is a 1-year-old private limited company registered in London, company number 16699129, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 6 June 2027, and its first CT600 is due at HMRC on 5 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Cowboy Plumbing and Heating LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Cowboy Plumbing and Heating Ltd is registered
The registered office is in London (SE9), in the Bromley local authority area, London. Show SE9 4EA on a map.
Other trade companies in SE9
- Valkor LtdBuilders
- M.A Developments (Ramsgate) LimitedProperty developers
- Sanchez Dec LtdPainters and decorators
- Yoi As LtdBuilders
- Interfix LtdSpecialist contractors
- South East London Locksmith LimitedSpecialist contractors
- S&O Maintenance LimitedInstallers
- Colvin Construction LimitedBuilders
What happens if Cowboy Plumbing and Heating 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 6 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Jun 2027 to 6 Jul 2027 | £150 |
| 1 to 3 months late | 7 Jul 2027 to 6 Sep 2027 | £375 |
| 3 to 6 months late | 7 Sep 2027 to 6 Dec 2027 | £750 |
| More than 6 months late | From 7 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
- 16699129
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2025 (1 year ago)
- Registered office
- 6 Beaconsfield Parade, London, SE9 4EA
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Plastering (SIC 43310)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- Coxxcom Limited2024
- CQT Electrician Ltd2024
- Cranley Group Limited2026
- CRD Electrical Ltd2019
- Credence Contracts Ltd2012
- Crescent Electrical Ltd2016
- Crestview TS Ltd2024
- Crewlink Limited2001
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Cowboy Plumbing and Heating Ltd's accounts due?
Cowboy Plumbing and Heating Ltd's next accounts are due at Companies House by 6 June 2027 (in 235 days), covering the period to 30 September 2026.
When is Cowboy Plumbing and Heating 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 5 September 2026, due by 5 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 Cowboy Plumbing and Heating Ltd still trading?
Cowboy Plumbing and Heating Ltd is listed as active on the Companies House register (checked 14 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 Cowboy Plumbing and Heating Ltd do?
Cowboy Plumbing and Heating Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Plastering (SIC 43310); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is Cowboy Plumbing and Heating Ltd?
Cowboy Plumbing and Heating Ltd was incorporated on 6 September 2025, 1 year ago.
What is the penalty if Cowboy Plumbing and Heating 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 Cowboy Plumbing and Heating Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 14 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.