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- Mark P3P Limited
Company profile · Plumbers and heating engineers
Mark P3P Limited
Mark P3P Limited is a 10-year-old private limited company registered in London, company number 10086759, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Mark P3P Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £3,526 (+6.8%) on the year before, to £56K.
- Net assets rose in 8 of 8 year-on-year comparisons on record.
- Current assets of £59K against £9,159 owed within a year: 6.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £56K | £58K | £59K | £9,159 | 1 |
| 31 Mar 2024 | £52K | £51K | £52K | £7,535 | 1 |
| 31 Mar 2023 | £49K | £40K | £43K | £4,443 | 1 |
| 31 Mar 2022 | £49K | £53K | £54K | £5,157 | 1 |
| 31 Mar 2021 | £42K | £49K | £51K | £9,637 | 0 |
| 31 Mar 2020 | £39K | £49K | £51K | £12K | 2 |
| 31 Mar 2019 | £27K | £42K | £42K | £15K | 2 |
| 31 Mar 2018 | £26K | £50K | £52K | £27K | 2 |
| 31 Mar 2017 | £9,193 | £18K | £21K | £13K | 1 |
Where Mark P3P Limited is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4XE on a map.
Other trade companies in N13
- GKK Contractors LtdBuilders
- Baran MOT LimitedMechanics and garages
- Vick & Victor - Painting & Decorating LtdPainters and decorators
- Meti Flow Solutions LtdBuilders
- XP Plastering & Rendering LtdBuilders
- MD Crafted LtdSpecialist contractors
- Skilled Trades UK LtdPainters and decorators
- Danni Plumbing LtdPlumbers and heating engineers
Shared registered office
28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mark P3P 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10086759
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2016 (10 years ago)
- Registered office
- 255 Green Lanes, London, N13 4XE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 March 2026
- Previous names
- P3P Plumbing & Heating Limited (until 13 Apr 2016)
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.
- Mars Plumbing & Heating Limited2022
- Marsh Plumbers Ltd2024
- Marson Engineering Ltd2010
- Marta Plumbing Limited2022
- Martstar Limited2024
- Marylebone Plumbing,Heating & Gas Ltd2025
- Maryo Auto Ltd2026
- Marz & DMS Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark P3P Limited's accounts due?
Mark P3P Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Mark P3P Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Mark P3P Limited still trading?
Mark P3P 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 Mark P3P Limited do?
Mark P3P Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark P3P Limited?
Mark P3P Limited was incorporated on 29 March 2016, 10 years ago.
What is the penalty if Mark P3P 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 Mark P3P 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.