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  1. Companies
  2. Specialist contractors
  3. Belfast
  4. Iron Oak Form Work Ltd

Iron Oak Form Work Ltd

ActiveNo accounts filed yet accountsSpecialist contractorsBelfast
Company number
NI741529
Incorporated
18 Jun 2026
Registered office
196 Upper Lisburn Road, Finaghy, Belfast, BT10 0LA
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
522 days
18 Mar 2028
From the Companies House register, 1 Oct 2026

Iron Oak Form Work Ltd is a newly incorporated private limited company registered in Belfast, company number NI741529, one of 110 specialist construction companies in Belfast. Its next accounts are due at Companies House on 18 March 2028, and its first CT600 is due at HMRC on 17 June 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.

Accounts due
18 Mar 2028
in 522 days
For the period to 30 Jun 2027
CT600 due (first of two)
17 Jun 2028
in 613 days
Period 18 Jun 2026 to 17 Jun 2027
CT600 due (second of two)
30 Jun 2028
in 626 days
Period 18 Jun 2027 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 536 days
9 months and 1 day after the period end
Confirmation statement
1 Jul 2027
in 261 days

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Where Iron Oak Form Work Ltd is registered

Iron Oak Form Work Ltd's registered office on a map of the UK

The registered office is in Belfast (BT10), in the Belfast local authority area, Northern Ireland. Show BT10 0LA on a map.

Other trade companies in BT10

Also registered at this address

24 other companies use the same registered office as Iron Oak Form Work Ltd.

What happens if Iron Oak Form Work 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 18 March 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late19 Mar 2028 to 18 Apr 2028£150
1 to 3 months late19 Apr 2028 to 18 Jun 2028£375
3 to 6 months late19 Jun 2028 to 18 Sep 2028£750
More than 6 months lateFrom 19 Sep 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jul 2028£200
3 months late30 Sep 2028another £200
6 months late30 Dec 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 2029another 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
NI741529
Status
Active
Company type
Private limited company
Incorporated
18 June 2026
Registered office
196 Upper Lisburn Road, Finaghy, Belfast, BT10 0LA
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 June (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Belfast

Other active specialist construction companies registered in Belfast.

All specialist construction companies in Belfast · All trades in Belfast · Specialist contractors across the UK

Frequently asked questions

When are Iron Oak Form Work Ltd's accounts due?

Iron Oak Form Work Ltd's next accounts are due at Companies House by 18 March 2028 (in 522 days), covering the period to 30 June 2027.

When is Iron Oak Form Work 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 17 June 2027, due by 17 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Iron Oak Form Work Ltd still trading?

Iron Oak Form Work 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 Iron Oak Form Work Ltd do?

Iron Oak Form Work Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Iron Oak Form Work Ltd?

Iron Oak Form Work Ltd was incorporated on 18 June 2026, less than a year ago.

What is the penalty if Iron Oak Form Work 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 Iron Oak Form Work Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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