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Mourne Properties Limited

ActiveUnaudited abridged accountsProperty developersDownshire Close
Company number
NI011425
Incorporated
23 Jul 197650 years trading
Registered office
Mourne House, 41/43 Downshire Road, Downshire Close, Newry, BT32 1EE
Nature of business
Development of building projects
Accounts due in
79 days
31 Dec 2026
From the Companies House register, 1 Oct 2026

Mourne Properties Limited is a 50-year-old private limited company registered in Downshire Close, company number NI011425, one of the UK's property development companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2026
in 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
29 Jan 2027
in 108 days
Last made up to 15 Jan 2026

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Where Mourne Properties Limited is registered

Mourne Properties Limited's registered office on a map of the UK

The registered office is in Downshire Close (BT32), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT32 1EE on a map.

Other trade companies in BT32

What happens if Mourne Properties 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 31 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
NI011425
Status
Active
Company type
Private limited company
Incorporated
23 July 1976 (50 years ago)
Registered office
Mourne House, 41/43 Downshire Road, Downshire Close, Newry, BT32 1EE
Nature of business
Development of building projects (SIC 41100)
Year end
31 March (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 March 2025
Last confirmation statement
15 January 2026
Charges (mortgages)
0 outstanding of 25 registered

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

Other active property development companies.

Property developers across the UK

Frequently asked questions

When are Mourne Properties Limited's accounts due?

Mourne Properties Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is Mourne Properties Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Mourne Properties Limited still trading?

Mourne Properties 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 Mourne Properties Limited do?

Mourne Properties Limited is registered under Development of building projects (SIC 41100).

How old is Mourne Properties Limited?

Mourne Properties Limited was incorporated on 23 July 1976, 50 years ago.

What is the penalty if Mourne Properties 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 Mourne Properties Limited 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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