- Companies
- Plumbers and heating engineers
- Armagh
- Cill Chluana Mechanical Ltd
Cill Chluana Mechanical Ltd
- Company number
- NI735721
- Incorporated
- 25 Nov 2025
- Registered office
- 33 Rockstown Road, Mowhan, Armagh, BT60 2HF
- Nature of business
- Plumbing, heat and air-conditioning installation
Cill Chluana Mechanical Ltd is a newly incorporated private limited company registered in Armagh, company number NI735721, one of 18 plumbing and heating companies in Armagh. Its next accounts are due at Companies House on 25 August 2027, and its first CT600 is due at HMRC on 24 November 2027.
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.
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Where Cill Chluana Mechanical Ltd is registered
The registered office is in Armagh (BT60), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT60 2HF on a map.
Other trade companies in BT60
- Zarya Energy LtdElectricians
- Linton Electrical LtdElectricians
- SGM Development Group LimitedBuilders
- Alloy Doctor LtdMachinery repair and installation
- Vision Maintenance and Cleaning LtdCleaning companies
- Total Floor Design LtdFloor and wall tilers
- Treanor Car Sales LtdMotor traders
- SFM Plumbing LimitedPlumbers and heating engineers
What happens if Cill Chluana Mechanical 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 25 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Aug 2027 to 25 Sep 2027 | £150 |
| 1 to 3 months late | 26 Sep 2027 to 25 Nov 2027 | £375 |
| 3 to 6 months late | 26 Nov 2027 to 25 Feb 2028 | £750 |
| More than 6 months late | From 26 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- NI735721
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2025
- Registered office
- 33 Rockstown Road, Mowhan, Armagh, BT60 2HF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Armagh
Other active plumbing and heating companies registered in Armagh.
- Cyclone Air Conditioning & Ventilation Ltd2021
- Desart Contracts Ltd2018
- Druids Glen Ltd2022
- Energy Tech (NI) Ltd2014
- Greentherm Ltd2012
- Hanna Smyth Holdings Ltd2014
- Hughes HVAC Ltd2026
- JBT Mechanical Services Limited2017
All plumbing and heating companies in Armagh · All trades in Armagh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cill Chluana Mechanical Ltd's accounts due?
Cill Chluana Mechanical Ltd's next accounts are due at Companies House by 25 August 2027 (in 316 days), covering the period to 30 November 2026.
When is Cill Chluana Mechanical 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 24 November 2026, due by 24 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cill Chluana Mechanical Ltd still trading?
Cill Chluana Mechanical 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 Cill Chluana Mechanical Ltd do?
Cill Chluana Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cill Chluana Mechanical Ltd?
Cill Chluana Mechanical Ltd was incorporated on 25 November 2025, less than a year ago.
What is the penalty if Cill Chluana Mechanical 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 Cill Chluana Mechanical 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.