- Companies
- Property developers
- Belfast
- Secos Construction Limited
Secos Construction Limited
- Company number
- NI716387
- Incorporated
- 29 May 20242 years trading
- Registered office
- 16 Mount Charles, Belfast, BT7 1NZ
- Nature of business
- Development of building projects
Secos Construction Limited is a 2-year-old private limited company registered in Belfast, company number NI716387, one of 402 property development companies in Belfast. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Secos Construction Limited is registered
The registered office is in Belfast (BT7), in the Belfast local authority area, Northern Ireland. Show BT7 1NZ on a map.
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Also registered at this address
15 other companies use the same registered office as Secos Construction Limited.
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What happens if Secos Construction 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI716387
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2024 (2 years ago)
- Registered office
- 16 Mount Charles, Belfast, BT7 1NZ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 28 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Belfast
Other active property development companies registered in Belfast.
- Seepotential Ltd2008
- Sevencq Limited2018
- Shankill Housing & Enterprise Limited2023
- Sheepdog Developments Limited2017
- Shrogg Developments Limited2021
- Si-Tu Design Limited2018
- Sifi Properties Limited2019
- Smith Building Contracts Ltd2023
All property development companies in Belfast · All trades in Belfast · Property developers across the UK
Frequently asked questions
When are Secos Construction Limited's accounts due?
Secos Construction Limited's next accounts are due at Companies House by 29 February 2028 (in 505 days), covering the period to 31 May 2027.
When is Secos Construction Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Secos Construction Limited still trading?
Secos Construction 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 Secos Construction Limited do?
Secos Construction Limited is registered under Development of building projects (SIC 41100).
How old is Secos Construction Limited?
Secos Construction Limited was incorporated on 29 May 2024, 2 years ago.
What is the penalty if Secos Construction 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 Secos Construction 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.