- Companies
- Plumbers and heating engineers
- Marsh Plumbing & Heating Supplies Ltd
Marsh Plumbing & Heating Supplies Ltd
- Company number
- 16175179
- Incorporated
- 10 Jan 20251 year trading
- Registered office
- 467 Watford Way, Hendon, London, NW4 4TR
- Nature of business
- Plumbing, heat and air-conditioning installation
Marsh Plumbing & Heating Supplies Ltd is a 1-year-old private limited company registered in Hendon, company number 16175179, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where Marsh Plumbing & Heating Supplies Ltd is registered
The registered office is in Hendon (NW4), in the Barnet local authority area, London. Show NW4 4TR on a map.
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Also registered at this address
1 other company uses the same registered office as Marsh Plumbing & Heating Supplies Ltd.
- BS Gas and Heating LtdPlumbers and heating engineers
What happens if Marsh Plumbing & Heating Supplies 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16175179
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 January 2025 (1 year ago)
- Registered office
- 467 Watford Way, Hendon, London, NW4 4TR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 9 January 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
Other active plumbing and heating companies.
Frequently asked questions
When are Marsh Plumbing & Heating Supplies Ltd's accounts due?
Marsh Plumbing & Heating Supplies Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Marsh Plumbing & Heating Supplies Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Marsh Plumbing & Heating Supplies Ltd still trading?
Marsh Plumbing & Heating Supplies 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 Marsh Plumbing & Heating Supplies Ltd do?
Marsh Plumbing & Heating Supplies Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Marsh Plumbing & Heating Supplies Ltd?
Marsh Plumbing & Heating Supplies Ltd was incorporated on 10 January 2025, 1 year ago.
What is the penalty if Marsh Plumbing & Heating Supplies 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 Marsh Plumbing & Heating Supplies 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.