- Companies
- Plumbers and heating engineers
- Craigavon
- Mark White Plumbing & Heating Ltd
Mark White Plumbing & Heating Ltd
- Company number
- NI694658
- Incorporated
- 17 Feb 20233 years trading
- Registered office
- 5 Beechfield Lodge, Aghalee, Craigavon, BT67 0GA
- Nature of business
- Plumbing, heat and air-conditioning installation
Mark White Plumbing & Heating Ltd is a 3-year-old private limited company registered in Craigavon, company number NI694658, one of 25 plumbing and heating companies in Craigavon. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
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 £11K (+95.6%) on the year before, to £22K.
- Current assets of £29K against £55K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £22K | £29K | £55K | 1 | |
| 28 Feb 2024 | £11K | £12K | £48K | 1 |
Where Mark White Plumbing & Heating Ltd is registered
The registered office is in Craigavon (BT67), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT67 0GA on a map.
Other trade companies in BT67
- Topspecni LimitedMotor traders
- R.Macmaintenance LtdSpecialist contractors
- Kenny Services PVT LtdMachinery repair and installation
- Watters Contracts LimitedBuilders
- Smyth & O'Hagan Construction LtdBuilders
- L17 Construction Management LtdSpecialist contractors
- MBC Timberframe LtdBuilders
- KT Contracts LtdProperty developers
What happens if Mark White Plumbing & Heating 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- NI694658
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2023 (3 years ago)
- Registered office
- 5 Beechfield Lodge, Aghalee, Craigavon, BT67 0GA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 16 February 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 Craigavon
Other active plumbing and heating companies registered in Craigavon.
- Marron Heating Ltd2023
- Moore Mechanical Contracts Ltd2024
- Mourne Mechanical Services Ltd2023
- N. Rogers Plumbing & Heating Ltd2021
- PKD Plumbing Ltd2022
- S M P Mechanical Ltd2019
- SSS Alleviate Ltd2022
- Sure Safe Boilers Ltd2023
All plumbing and heating companies in Craigavon · All trades in Craigavon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark White Plumbing & Heating Ltd's accounts due?
Mark White Plumbing & Heating Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Mark White Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Mark White Plumbing & Heating Ltd still trading?
Mark White Plumbing & Heating 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 Mark White Plumbing & Heating Ltd do?
Mark White Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark White Plumbing & Heating Ltd?
Mark White Plumbing & Heating Ltd was incorporated on 17 February 2023, 3 years ago.
What is the penalty if Mark White Plumbing & Heating 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 Mark White Plumbing & Heating 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.