- Companies
- Plumbers and heating engineers
- Ballynahinch
- Add Mechanical Ltd
Add Mechanical Ltd
- Company number
- NI738272
- Incorporated
- 26 Feb 2026
- Registered office
- 2 Hillhead Road, Ballynahinch, BT24 8LB
- Nature of business
- Plumbing, heat and air-conditioning installation
Add Mechanical Ltd is a newly incorporated private limited company registered in Ballynahinch, company number NI738272, one of 6 plumbing and heating companies in Ballynahinch. Its next accounts are due at Companies House on 26 November 2027, and its first CT600 is due at HMRC on 25 February 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.
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Where Add Mechanical Ltd is registered
The registered office is in Ballynahinch (BT24), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT24 8LB on a map.
Other trade companies in BT24
- Commercial Source LtdMotor traders
- Cairnhart LtdProperty developers
- Prime Shine NI Commercial Clean LtdCleaning companies
- Atc Sales and Servicing LtdMotor traders
- Douglas Autoparts LtdMotor traders
- A Samuel Contracts LimitedInstallers
- NJB Mechanical Services LtdMechanics and garages
- CMN Solutions LimitedElectricians
What happens if Add 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 26 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2027 to 26 Dec 2027 | £150 |
| 1 to 3 months late | 27 Dec 2027 to 26 Feb 2028 | £375 |
| 3 to 6 months late | 27 Feb 2028 to 26 May 2028 | £750 |
| More than 6 months late | From 27 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- NI738272
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2026
- Registered office
- 2 Hillhead Road, Ballynahinch, BT24 8LB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (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 Ballynahinch
Other active plumbing and heating companies registered in Ballynahinch.
- BDF Mechanical Ltd2018
- Coreflow Solutions Ltd2025
- Crystalair Services Limited2005
- Ian Moore Heating Ltd2010
- Ignite Mechanical (NI) Ltd2019
All plumbing and heating companies in Ballynahinch · All trades in Ballynahinch · Plumbers and heating engineers across the UK
Frequently asked questions
When are Add Mechanical Ltd's accounts due?
Add Mechanical Ltd's next accounts are due at Companies House by 26 November 2027 (in 409 days), covering the period to 28 February 2027.
When is Add 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 25 February 2027, due by 25 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Add Mechanical Ltd still trading?
Add 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 Add Mechanical Ltd do?
Add Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Add Mechanical Ltd?
Add Mechanical Ltd was incorporated on 26 February 2026, less than a year ago.
What is the penalty if Add 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 Add 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.