- Companies
- Plumbers and heating engineers
- Kilmarnock
- Holmac Plumbing & Heating Limited
Holmac Plumbing & Heating Limited
- Company number
- SC250828
- Incorporated
- 9 Jun 200323 years trading
- Registered office
- 11C Gatehead Road, Crosshouse, Kilmarnock, KA2 0HN
- Nature of business
- Plumbing, heat and air-conditioning installation
Holmac Plumbing & Heating Limited is a 23-year-old private limited company registered in Kilmarnock, company number SC250828, one of 45 plumbing and heating companies in Kilmarnock. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £23K (+5.8%) on the year before, to £427K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £526K against £120K owed within a year: 4.4 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £427K | £345K | £526K | £120K | 5 |
| 30 Apr 2025 | £403K | £396K | £464K | £97K | 4 |
| 30 Apr 2024 | £392K | £513K | £206K | 4 | |
| 30 Apr 2023 | £263K | £456K | £213K | 4 | |
| 30 Apr 2022 | £177K | £330K | £164K | 4 | |
| 30 Apr 2021 | £173K | £325K | £159K | 3 | |
| 30 Apr 2020 | £79K | £164K | £98K | 3 | |
| 30 Apr 2019 | £106K | £251K | £173K | 4 |
Where Holmac Plumbing & Heating Limited is registered
The registered office is in Kilmarnock (KA2), in the East Ayrshire local authority area, Scotland. Show KA2 0HN on a map.
Other trade companies in KA2
- RS Roofing LtdRoofers
- A Clark & Son Plumbing and Heating LtdPlumbers and heating engineers
- DLH Scotland LtdJoiners and carpenters
- G & S Joinery and Insulation LimitedJoiners and carpenters
- Konic Commercials LtdMotor traders
- Pristine Exterior Clean Scotland LtdCleaning companies
- Remi Roofing Solutions LtdRoofers
- Pro Renovation Group LimitedProperty developers
Shared registered office
38 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Holmac Plumbing & Heating 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- SC250828
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2003 (23 years ago)
- Registered office
- 11C Gatehead Road, Crosshouse, Kilmarnock, KA2 0HN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 28 March 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 Kilmarnock
Other active plumbing and heating companies registered in Kilmarnock.
- Hyslop Heating and Plumbing Solutions Limited2025
- Ian Hinde Plumbing & Heating Ltd2020
- Ka3 Limited2005
- KB Heating Ltd2022
- Macfarlane Heating Services Ltd2025
- Mca Heating Solutions Ltd.2020
- McRoberts Plumbing & Heating Engineers Ltd2016
- MKN Plumbing & Heating Engineers Limited2019
All plumbing and heating companies in Kilmarnock · All trades in Kilmarnock · Plumbers and heating engineers across the UK
Frequently asked questions
When are Holmac Plumbing & Heating Limited's accounts due?
Holmac Plumbing & Heating Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Holmac Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Holmac Plumbing & Heating Limited still trading?
Holmac Plumbing & Heating 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 Holmac Plumbing & Heating Limited do?
Holmac Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Holmac Plumbing & Heating Limited?
Holmac Plumbing & Heating Limited was incorporated on 9 June 2003, 23 years ago.
What is the penalty if Holmac Plumbing & Heating 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 Holmac Plumbing & Heating Limited 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.