- Companies
- Plumbers and heating engineers
- Bristol
- Port Marine Bathrooms Limited
Port Marine Bathrooms Limited
- Company number
- 07138236
- Incorporated
- 27 Jan 201016 years trading
- Registered office
- 30-31 ST James Place, Mangotsfield, Bristol, BS16 9JB
- Nature of business
- Plumbing, heat and air-conditioning installation
Port Marine Bathrooms Limited is a 16-year-old private limited company registered in Bristol, company number 07138236, one of 432 plumbing and heating companies in Bristol. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 £1,945 (+63.7%) on the year before, to £5,000.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £227K against £201K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £5,000 | £8,118 | £227K | £201K | 0 |
| 29 Feb 2024 | £3,055 | £16K | £223K | £200K | 2 |
| 28 Feb 2023 | £3,278 | £6,346 | £311K | £291K | 2 |
| 28 Feb 2022 | £5,393 | £27K | £295K | £256K | 3 |
| 28 Feb 2021 | £155 | £28K | £157K | £126K | 3 |
| 29 Feb 2020 | -£2,107 | £31K | £69K | £85K | 3 |
| 28 Feb 2020 | -£2,107 | £31K | £69K | £85K | 3 |
| 28 Feb 2019 | £12K | £48K | £101K | £99K | 3 |
| 28 Feb 2018 | £341 | £12K | £68K | £71K | 3 |
| 28 Feb 2017 | -£27K | £60K | £91K |
Where Port Marine Bathrooms Limited is registered
The registered office is in Bristol (BS16), in the South Gloucestershire local authority area, South West. Show BS16 9JB on a map.
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Shared registered office
123 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 Port Marine Bathrooms 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 07138236
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2010 (16 years ago)
- Registered office
- 30-31 ST James Place, Mangotsfield, Bristol, BS16 9JB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 27 January 2026
- Previous names
- GLC Bricklaying Co Limited (until 19 May 2010)
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 Bristol
Other active plumbing and heating companies registered in Bristol.
- Portishead Group Limited2016
- Precise Plumbing & Heating Ltd2015
- Precision Plumbing SW Ltd2026
- Primus PHR Ltd2026
- Principal Plumbing & Heating (South West) Limited2019
- Pro Gas Bristol Ltd2021
- Pro-Heating Services Limited2004
- Proflo Bathrooms and Boilers Ltd2024
All plumbing and heating companies in Bristol · All trades in Bristol · Plumbers and heating engineers across the UK
Frequently asked questions
When are Port Marine Bathrooms Limited's accounts due?
Port Marine Bathrooms Limited's next accounts are due at Companies House by 30 November 2026 (in 47 days), covering the period to 28 February 2026.
When is Port Marine Bathrooms Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Port Marine Bathrooms Limited still trading?
Port Marine Bathrooms 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 Port Marine Bathrooms Limited do?
Port Marine Bathrooms Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Port Marine Bathrooms Limited?
Port Marine Bathrooms Limited was incorporated on 27 January 2010, 16 years ago.
What is the penalty if Port Marine Bathrooms 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 Port Marine Bathrooms 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.