- Companies
- Plumbers and heating engineers
- J Macdonald Plumbing & Heating Ltd
J Macdonald Plumbing & Heating Ltd
- Company number
- SC836056
- Incorporated
- 31 Jan 20251 year trading
- Registered office
- 14 Meallard, Balivanich, Isle of Benbecula, HS7 5NF
- Nature of business
- Plumbing, heat and air-conditioning installation
J Macdonald Plumbing & Heating Ltd is a 1-year-old private limited company registered in Isle of Benbecula, company number SC836056, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 30 January 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.
Is this your company?
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Where J Macdonald Plumbing & Heating Ltd is registered
The registered office is in Isle of Benbecula (HS7), in the Na h-Eileanan Siar local authority area, Scotland. Show HS7 5NF on a map.
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- Neil Campbell Electrical Contractors LtdElectricians
- Macinnes Brothers LimitedCivil engineering
What happens if J Macdonald 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC836056
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2025 (1 year ago)
- Registered office
- 14 Meallard, Balivanich, Isle of Benbecula, HS7 5NF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 January 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
Other active plumbing and heating companies.
Frequently asked questions
When are J Macdonald Plumbing & Heating Ltd's accounts due?
J Macdonald Plumbing & Heating Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is J Macdonald Plumbing & Heating 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 January 2026, due by 30 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is J Macdonald Plumbing & Heating Ltd still trading?
J Macdonald 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 J Macdonald Plumbing & Heating Ltd do?
J Macdonald Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J Macdonald Plumbing & Heating Ltd?
J Macdonald Plumbing & Heating Ltd was incorporated on 31 January 2025, 1 year ago.
What is the penalty if J Macdonald 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 J Macdonald 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.