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Oakline Engineering Ltd

ActiveNo accounts filed yet accountsInstallersDerry
Company number
NI743992
Incorporated
24 Sep 2026
Registered office
56 Kilnappy Road, Campsie, Derry, BT47 3LG
Nature of business
Other construction installation
Accounts due in
620 days
24 Jun 2028
From the Companies House register, 1 Oct 2026

Oakline Engineering Ltd is a newly incorporated private limited company registered in Derry, company number NI743992, one of 9 installation companies (insulation, lifts, shutters and similar) in Derry. Its next accounts are due at Companies House on 24 June 2028, and its first CT600 is due at HMRC on 23 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.

Accounts due
24 Jun 2028
in 620 days
For the period to 30 Sep 2027
CT600 due (first of two)
23 Sep 2028
in 711 days
Period 24 Sep 2026 to 23 Sep 2027
CT600 due (second of two)
30 Sep 2028
in 718 days
Period 24 Sep 2027 to 30 Sep 2027
Corporation tax payment
1 Jul 2028
in 627 days
9 months and 1 day after the period end
Confirmation statement
7 Oct 2027
in 359 days

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Where Oakline Engineering Ltd is registered

Oakline Engineering Ltd's registered office on a map of the UK

The registered office is in Derry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 3LG on a map.

Other trade companies in BT47

What happens if Oakline Engineering 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 24 June 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late25 Jun 2028 to 24 Jul 2028£150
1 to 3 months late25 Jul 2028 to 24 Sep 2028£375
3 to 6 months late25 Sep 2028 to 24 Dec 2028£750
More than 6 months lateFrom 25 Dec 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2028£200
3 months late30 Dec 2028another £200
6 months late30 Mar 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
NI743992
Status
Active
Company type
Private limited company
Incorporated
24 September 2026
Registered office
56 Kilnappy Road, Campsie, Derry, BT47 3LG
Nature of business
Other construction installation (SIC 43290)
Year end
30 September (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

Similar companies in Derry

Other active installation companies (insulation, lifts, shutters and similar) registered in Derry.

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Frequently asked questions

When are Oakline Engineering Ltd's accounts due?

Oakline Engineering Ltd's next accounts are due at Companies House by 24 June 2028 (in 620 days), covering the period to 30 September 2027.

When is Oakline Engineering 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 23 September 2027, due by 23 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 Oakline Engineering Ltd still trading?

Oakline Engineering 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 Oakline Engineering Ltd do?

Oakline Engineering Ltd is registered under Other construction installation (SIC 43290).

How old is Oakline Engineering Ltd?

Oakline Engineering Ltd was incorporated on 24 September 2026, less than a year ago.

What is the penalty if Oakline Engineering 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 Oakline Engineering 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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