- Companies
- Builders
- Enniskillen
- John D Brennan Ltd
John D Brennan Ltd
- Company number
- NI048097
- Incorporated
- 2 Oct 200323 years trading
- Registered office
- 24 Killee Road, Ballinamallard, Enniskillen, Co Fermanagh, BT94 2FS
- Nature of business
- Construction of domestic buildings
John D Brennan Ltd is a 23-year-old private limited company registered in Enniskillen, company number NI048097, one of 47 building contractors in Enniskillen. 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.
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Where John D Brennan Ltd is registered
The registered office is in Enniskillen (BT94), in the Fermanagh and Omagh local authority area, Northern Ireland. Show BT94 2FS on a map.
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What happens if John D Brennan 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | 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
- NI048097
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 October 2003 (23 years ago)
- Registered office
- 24 Killee Road, Ballinamallard, Enniskillen, Co Fermanagh, BT94 2FS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 October 2025
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 Enniskillen
Other active building contractors registered in Enniskillen.
- Lindsay Bespoke Joinery Ltd2011
- Logue Bricklaying Ltd2025
- M & I Contracts Limited2011
- M Monaghan Construction Ltd2026
- McBrien Construction Ltd2017
- Millwood Construction Ltd2005
- Morlough Construction Limited2004
- MWK Homes Limited2018
All building contractors in Enniskillen · All trades in Enniskillen · Builders across the UK
Frequently asked questions
When are John D Brennan Ltd's accounts due?
John D Brennan Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is John D Brennan Ltd'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 John D Brennan Ltd still trading?
John D Brennan 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 John D Brennan Ltd do?
John D Brennan Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is John D Brennan Ltd?
John D Brennan Ltd was incorporated on 2 October 2003, 23 years ago.
What is the penalty if John D Brennan 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 John D Brennan 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.