- Companies
- Machinery repair and installation
- Worthing
- Coastline Marine Ltd
Coastline Marine Ltd
- Company number
- 16256163
- Incorporated
- 17 Feb 20251 year trading
- Registered office
- 10 the Greenway, Goring-By-Sea, Worthing, BN12 6AX
- Nature of business
- Repair and maintenance of ships and boats
Coastline Marine Ltd is a 1-year-old private limited company registered in Worthing, company number 16256163, one of 32 machinery repair and installation companies in Worthing. Its next accounts are due at Companies House on 17 November 2026, and its first CT600 is due at HMRC on 16 February 2027.
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 Coastline Marine Ltd is registered
The registered office is in Worthing (BN12), in the Worthing local authority area, South East. Show BN12 6AX on a map.
Other trade companies in BN12
- Ace Aggregates Sussex LtdGroundworks and demolition
- C.B Autobodies LtdMechanics and garages
- Sandra Global Ltd LimitedCleaning companies
- Pierpoint Holdings LimitedPlumbers and heating engineers
- NRG Fleet Polishing LimitedMechanics and garages
- We Will Concierge LtdCleaning companies
- Refined Spaces Construction LtdBuilders
- Haulkham Roofing LtdRoofers
What happens if Coastline Marine 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 17 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Nov 2026 to 17 Dec 2026 | £150 |
| 1 to 3 months late | 18 Dec 2026 to 17 Feb 2027 | £375 |
| 3 to 6 months late | 18 Feb 2027 to 17 May 2027 | £750 |
| More than 6 months late | From 18 May 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
- 16256163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2025 (1 year ago)
- Registered office
- 10 the Greenway, Goring-By-Sea, Worthing, BN12 6AX
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 February 2026
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 Worthing
Other active machinery repair and installation companies registered in Worthing.
- Compart Services Ltd2021
- Equinity Trailers Ltd2025
- Executive Aviation Consultancy Limited2011
- Fixsql Ltd2019
- Inndispensable Ltd2017
- JRV Engineering Ltd2011
- KB Aviation Limited2011
- Lee Engineering Services Ltd2019
All machinery repair and installation companies in Worthing · All trades in Worthing · Machinery repair and installation across the UK
Frequently asked questions
When are Coastline Marine Ltd's accounts due?
Coastline Marine Ltd's next accounts are due at Companies House by 17 November 2026 (in 35 days), covering the period to 28 February 2026.
When is Coastline Marine 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 16 February 2026, due by 16 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Coastline Marine Ltd still trading?
Coastline Marine 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 Coastline Marine Ltd do?
Coastline Marine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Coastline Marine Ltd?
Coastline Marine Ltd was incorporated on 17 February 2025, 1 year ago.
What is the penalty if Coastline Marine 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 Coastline Marine 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.