- Company number
- NI743850
- Incorporated
- 17 Sep 2026
- Registered office
- Suite 4 Commercial Mews, 93-97 Main Street, Larne, BT40 1HJ
- Nature of business
- Construction of domestic buildings
East Coast Contracting NI Ltd is a newly incorporated private limited company registered in Larne, company number NI743850, one of 7 building contractors in Larne. Its next accounts are due at Companies House on 17 June 2028, and its first CT600 is due at HMRC on 16 September 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 East Coast Contracting NI Ltd is registered
The registered office is in Larne (BT40), in the Mid and East Antrim local authority area, Northern Ireland. Show BT40 1HJ on a map.
Other trade companies in BT40
- GW Home Improvements and Maintenance LtdBuilders
- Abbey Washing Machines LtdRepair services
- CM Fit Out & Construction LtdJoiners and carpenters
- Blackwood & Crawford LtdProperty developers
- TT Tiling LtdFloor and wall tilers
- JM Servicess LtdSpecialist contractors
- NPH Heating and Plumbing LtdPlumbers and heating engineers
- Mastercraft Plumbing LimitedPlumbers and heating engineers
Shared registered office
72 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 East Coast Contracting NI 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 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Jun 2028 to 17 Jul 2028 | £150 |
| 1 to 3 months late | 18 Jul 2028 to 17 Sep 2028 | £375 |
| 3 to 6 months late | 18 Sep 2028 to 17 Dec 2028 | £750 |
| More than 6 months late | From 18 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI743850
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2026
- Registered office
- Suite 4 Commercial Mews, 93-97 Main Street, Larne, BT40 1HJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Larne
Other active building contractors registered in Larne.
- GW Home Improvements and Maintenance Ltd2026
- Looney & McAlister Ltd2015
- Royford Developments Ltd2022
- Wandsworth Developments Limited2002
- CJT Construction Limited2018
- CRS Const Ltd2021
All building contractors in Larne · All trades in Larne · Builders across the UK
Frequently asked questions
When are East Coast Contracting NI Ltd's accounts due?
East Coast Contracting NI Ltd's next accounts are due at Companies House by 17 June 2028 (in 613 days), covering the period to 30 September 2027.
When is East Coast Contracting NI 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 September 2027, due by 16 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is East Coast Contracting NI Ltd still trading?
East Coast Contracting NI 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 East Coast Contracting NI Ltd do?
East Coast Contracting NI Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is East Coast Contracting NI Ltd?
East Coast Contracting NI Ltd was incorporated on 17 September 2026, less than a year ago.
What is the penalty if East Coast Contracting NI 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 East Coast Contracting NI 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.