- Companies
- Plumbers and heating engineers
- London
- KMG Plumbing Ltd
KMG Plumbing Ltd
- Company number
- 17036314
- Incorporated
- 16 Feb 2026
- Registered office
- 117 Highbury Quadrant, London, N5 2TG
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
KMG Plumbing Ltd is a newly incorporated private limited company registered in London, company number 17036314, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 16 November 2027, and its first CT600 is due at HMRC on 15 February 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.
Is this your company?
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Where KMG Plumbing Ltd is registered
The registered office is in London (N5), in the Islington local authority area, London. Show N5 2TG on a map.
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What happens if KMG Plumbing 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 16 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Nov 2027 to 16 Dec 2027 | £150 |
| 1 to 3 months late | 17 Dec 2027 to 16 Feb 2028 | £375 |
| 3 to 6 months late | 17 Feb 2028 to 16 May 2028 | £750 |
| More than 6 months late | From 17 May 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
- 17036314
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2026
- Registered office
- 117 Highbury Quadrant, London, N5 2TG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - 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.
- Knights Heating Ltd2023
- Know-Ai Ltd2021
- Knowles Property Services Ltd2024
- Kobgas Services Limited2018
- Kog Plumbing & Heating Ltd2019
- Kokaai Plumbing Limited2011
- Konco Plumbing Ltd2000
- Koncore Plumbing&Heating Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are KMG Plumbing Ltd's accounts due?
KMG Plumbing Ltd's next accounts are due at Companies House by 16 November 2027 (in 399 days), covering the period to 31 March 2027.
When is KMG Plumbing 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 15 February 2027, due by 15 February 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 KMG Plumbing Ltd still trading?
KMG Plumbing 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 KMG Plumbing Ltd do?
KMG Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is KMG Plumbing Ltd?
KMG Plumbing Ltd was incorporated on 16 February 2026, less than a year ago.
What is the penalty if KMG Plumbing 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 KMG Plumbing 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.