- Companies
- Plumbers and heating engineers
- London
- Primeline Plumbing Limited
Primeline Plumbing Limited
- Company number
- 17017453
- Incorporated
- 6 Feb 2026
- Registered office
- Office 17284, 182-184High Street North, London, E6 2JA
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Primeline Plumbing Limited is a newly incorporated private limited company registered in London, company number 17017453, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 6 November 2027, and its first CT600 is due at HMRC on 5 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.
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Where Primeline Plumbing Limited is registered
The registered office is in London (E6), in the Newham local authority area, London. Show E6 2JA on a map.
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What happens if Primeline Plumbing Limited 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Nov 2027 to 6 Dec 2027 | £150 |
| 1 to 3 months late | 7 Dec 2027 to 6 Feb 2028 | £375 |
| 3 to 6 months late | 7 Feb 2028 to 6 May 2028 | £750 |
| More than 6 months late | From 7 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17017453
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2026
- Registered office
- Office 17284, 182-184High Street North, London, E6 2JA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 28 February (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.
- Primeworks Heating & Plumbing Ltd2020
- Primrose Heating Ltd2013
- Primus Heating Bathrooms & Gas Ltd2019
- Princefix Solutions Ltd2024
- Pro Heat Group Ltd2026
- Pro Heat London Ltd2015
- Pro Heating & Plumbing Services (UK) Ltd2009
- Pro Speedy Plumbing & Heating Ltd2022
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Primeline Plumbing Limited's accounts due?
Primeline Plumbing Limited's next accounts are due at Companies House by 6 November 2027 (in 389 days), covering the period to 28 February 2027.
When is Primeline Plumbing Limited'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 February 2027, due by 5 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Primeline Plumbing Limited still trading?
Primeline Plumbing Limited 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 Primeline Plumbing Limited do?
Primeline Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Primeline Plumbing Limited?
Primeline Plumbing Limited was incorporated on 6 February 2026, less than a year ago.
What is the penalty if Primeline Plumbing Limited 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 Primeline Plumbing Limited 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.