- Companies
- Plumbers and heating engineers
- Lanark
- Blacks Heating Services Limited
Blacks Heating Services Limited
- Company number
- SC726656
- Incorporated
- 17 Mar 20224 years trading
- Registered office
- 18 Albany Drive, Lanark, ML11 9AG
- Nature of business
- Plumbing, heat and air-conditioning installation
Blacks Heating Services Limited is a 4-year-old private limited company registered in Lanark, company number SC726656, one of 24 plumbing and heating companies in Lanark. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £33K (+65.9%) on the year before, to £84K.
- Current assets of £77K against £12K owed within a year: 6.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £84K | £75K | £77K | £12K | 2 |
| 31 Mar 2024 | £51K | £101K | £107K | £28K | 2 |
| 31 Mar 2023 | £21K | £77K | £82K | £39K | 1 |
Where Blacks Heating Services Limited is registered
The registered office is in Lanark (ML11), in the South Lanarkshire local authority area, Scotland. Show ML11 9AG on a map.
Other trade companies in ML11
- Sterling Renewables Projects LimitedElectricians
- Ejp Kitchens & Bathrooms LtdJoiners and carpenters
- J Frood Double Glazing LtdGlaziers
- Duchray Holdings LimitedSpecialist contractors
- RM Offshore LtdInstallers
- Fletcher Groundworks LimitedInstallers
- Beechtreewright LtdBuilders
- Blackwood Electrical Services LtdElectricians
What happens if Blacks Heating Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC726656
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2022 (4 years ago)
- Registered office
- 18 Albany Drive, Lanark, ML11 9AG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 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 Lanark
Other active plumbing and heating companies registered in Lanark.
- BRC Plumbing & Heating Ltd2026
- Bruce Site Services Limited2023
- C Gilmore Plumbing and Heating Limited2011
- Clyde Air Conditioning Limited2003
- Clyde HVAC Ltd2025
- Clydesdale Plumbers Limited2014
- Craig Hawthorn Plumbing Ltd2016
- G N Tait Ltd2014
All plumbing and heating companies in Lanark · All trades in Lanark · Plumbers and heating engineers across the UK
Frequently asked questions
When are Blacks Heating Services Limited's accounts due?
Blacks Heating Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Blacks Heating Services Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Blacks Heating Services Limited still trading?
Blacks Heating Services 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 Blacks Heating Services Limited do?
Blacks Heating Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Blacks Heating Services Limited?
Blacks Heating Services Limited was incorporated on 17 March 2022, 4 years ago.
What is the penalty if Blacks Heating Services 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 Blacks Heating Services 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.