- Companies
- Machinery repair and installation
- Dukinfield
- Portland Basin Marina Limited
Portland Basin Marina Limited
- Company number
- 03475163
- Incorporated
- 2 Dec 199728 years trading
- Registered office
- Portland Basin Marina Ltd, Lower Alma Street, Dukinfield, Cheshire, SK16 4SQ
- Nature of business
- Repair and maintenance of ships and boats; Other retail sale not in stores, stalls or markets; Other amusement and recreation activities n.e.c.
Portland Basin Marina Limited is a 28-year-old private limited company registered in Dukinfield, company number 03475163, one of 10 machinery repair and installation companies in Dukinfield. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £5,631 (+4%) on the year before, to £146K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £130K against £13K owed within a year: 9.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £146K | £91K | £130K | £13K | 3 |
| 31 Dec 2024 | £140K | £93K | £129K | £23K | 3 |
| 31 Dec 2023 | £95K | £217K | £239K | £183K | 3 |
| 31 Dec 2022 | £70K | £202K | £223K | £198K | 3 |
| 31 Dec 2021 | £25K | £165K | £177K | £202K | 3 |
| 31 Dec 2020 | -£23K | £98K | £110K | £188K | 3 |
| 31 Dec 2019 | -£46K | £67K | £78K | £187K | |
| 31 Dec 2018 | -£63K | £35K | £49K | £183K | |
| 31 Dec 2017 | -£37K | £61K | £72K | £174K | |
| 31 Dec 2016 | -£9,508 | £55K | £63K | £159K |
Where Portland Basin Marina Limited is registered
The registered office is in Dukinfield (SK16), in the Tameside local authority area, North West. Show SK16 4SQ on a map.
Other trade companies in SK16
- Med Rail LimitedElectricians
- MS North Build LtdBuilders
- Tower Mill Autos LimitedMechanics and garages
- M’N’S Pressure Washing LtdCleaning companies
- Corlen Group LtdBuilders
- DMG Northwest LimitedInstallers
- MH Exterior Solutions LtdCleaning companies
- Ah Elite Decor LimitedPainters and decorators
What happens if Portland Basin Marina 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 03475163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 December 1997 (28 years ago)
- Registered office
- Portland Basin Marina Ltd, Lower Alma Street, Dukinfield, Cheshire, SK16 4SQ
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Other retail sale not in stores, stalls or markets (SIC 47990)
Other amusement and recreation activities n.e.c. (SIC 93290) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 2 December 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Dukinfield
Other active machinery repair and installation companies registered in Dukinfield.
- Project Alex Ltd2013
- Sound Insight Ltd2002
- Alma Accident Repair Center Limited2013
- CFH Plumbing & Heating Ltd2015
- Jac Machinery Ltd2024
- KC Power Services Ltd2019
- Magnet Contracts Limited2002
- Ogborn Battery Capacity Assurance Testing Limited1989
All machinery repair and installation companies in Dukinfield · All trades in Dukinfield · Machinery repair and installation across the UK
Frequently asked questions
When are Portland Basin Marina Limited's accounts due?
Portland Basin Marina Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Portland Basin Marina Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Portland Basin Marina Limited still trading?
Portland Basin Marina 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 Portland Basin Marina Limited do?
Portland Basin Marina Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Other retail sale not in stores, stalls or markets (SIC 47990); Other amusement and recreation activities n.e.c. (SIC 93290).
How old is Portland Basin Marina Limited?
Portland Basin Marina Limited was incorporated on 2 December 1997, 28 years ago.
What is the penalty if Portland Basin Marina 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 Portland Basin Marina 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.