- Companies
- Plumbers and heating engineers
- Magherafelt
- Kmac Mechanical Ltd
Kmac Mechanical Ltd
- Company number
- NI640736
- Incorporated
- 12 Sep 201610 years trading
- Registered office
- 15 Bowmans Road, Magherafelt, BT45 5DZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Kmac Mechanical Ltd is a 10-year-old private limited company registered in Magherafelt, company number NI640736, one of 15 plumbing and heating companies in Magherafelt. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £55K (+29.3%) on the year before, to £244K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £269K against £47K owed within a year: 5.7 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 8 years, 2017 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2024 | £244K | £269K | £47K | 1 | |
| 30 Sep 2023 | £189K | £178K | £19K | 0 | |
| 30 Sep 2022 | £172K | £173K | £4,435 | 1 | |
| 30 Sep 2021 | £181K | £215K | £37K | 2 | |
| 30 Sep 2020 | £102K | £188K | £95K | 2 | |
| 30 Sep 2019 | £43K | £116K | £15K | 1 | |
| 30 Sep 2018 | £46K | £27K | £45K | £9,417 | 1 |
| 30 Sep 2017 | £55K | £81K | £100K | £59K | 1 |
Who runs and owns Kmac Mechanical Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** K*** | Director | Sep 2016 |
Person with significant control
Where Kmac Mechanical Ltd is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 5DZ on a map.
Other trade companies in BT45
- Oakleaf Modular Solutions LimitedSpecialist contractors
- Decorfinishni LtdPainters and decorators
- Tonagh Construction Services LtdSpecialist contractors
- Es Brickwork LtdSpecialist contractors
- CSS Ireland LtdSpecialist contractors
- 825 Contracts LtdBuilders
- Vind Services LtdMachinery repair and installation
- Braidwater (Strategic Land) LimitedProperty developers
What happens if Kmac Mechanical Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- NI640736
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2016 (10 years ago)
- Registered office
- 15 Bowmans Road, Magherafelt, BT45 5DZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 11 September 2026
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 Magherafelt
Other active plumbing and heating companies registered in Magherafelt.
- MCG Contracts Ltd2003
- Neg Plumbing and Heating Ltd2025
- P & D Ventilation Services Ltd2010
- A & S Mechanical (N.I.) Ltd2011
- Bateson Bros Ltd2011
- BC Plumbing & Heating Contracts Ltd2020
- BMP Contracts Ltd2013
- Conway Mechanical Services Limited2016
All plumbing and heating companies in Magherafelt · All trades in Magherafelt · Plumbers and heating engineers across the UK
Frequently asked questions
When are Kmac Mechanical Ltd's accounts due?
Kmac Mechanical Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Kmac 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Kmac Mechanical Ltd still trading?
Kmac Mechanical Ltd is listed as active on the Companies House register (checked 13 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 Kmac Mechanical Ltd do?
Kmac Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Kmac Mechanical Ltd?
Kmac Mechanical Ltd was incorporated on 12 September 2016, 10 years ago.
Who runs Kmac Mechanical Ltd?
Kmac Mechanical Ltd has 1 active director, the longest-serving appointed in Sep 2016. Their names and service addresses are on the Companies House register.
Who owns Kmac Mechanical Ltd?
One person or company has significant control of Kmac Mechanical Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Kmac 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 Kmac Mechanical Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.