- Companies
- Plumbers and heating engineers
- Grangemouth
- SMT Plumbing & Heating Scotland Ltd
SMT Plumbing & Heating Scotland Ltd
- Company number
- SC594350
- Incorporated
- 13 Apr 20188 years trading
- Registered office
- 11 Thistle Avenue, Grangemouth, FK3 8YH
- Nature of business
- Plumbing, heat and air-conditioning installation
SMT Plumbing & Heating Scotland Ltd is a 8-year-old private limited company registered in Grangemouth, company number SC594350, one of 10 plumbing and heating companies in Grangemouth. 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 down £34K (-48.4%) on the year before, to £36K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £47K against £82K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £36K | £47K | £82K | 2 | |
| 31 Mar 2024 | £70K | £23K | £106K | 2 | |
| 31 Mar 2023 | -£33K | £22K | £55K | 1 | |
| 31 Mar 2022 | -£21K | £21K | £44K | 1 | |
| 31 Mar 2021 | -£26K | £7,793 | £13K | £23K | 1 |
| 31 Mar 2020 | -£6,187 | £2,438 | £20K | £27K | 2 |
| 31 Mar 2019 | -£4,536 | £1,825 | £17K | £21K | 2 |
| 31 Mar 2018 | £0 | £0 | £0 | £0 | 0 |
Where SMT Plumbing & Heating Scotland Ltd is registered
The registered office is in Grangemouth (FK3), in the Falkirk local authority area, Scotland. Show FK3 8YH on a map.
Other trade companies in FK3
- Edgeguard Roofing LtdRoofers
- BM Motorwerkes LtdMechanics and garages
- HM Property Solutions (Scotland) LtdRoofers
- JBJ Construction Services LtdBuilders
- JBJ Developments LtdProperty developers
- Caha LtdElectricians
- Kirkham Electricals LtdMachinery repair and installation
- Gem 64 Properties LtdProperty developers
What happens if SMT Plumbing & Heating Scotland 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 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
- SC594350
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2018 (8 years ago)
- Registered office
- 11 Thistle Avenue, Grangemouth, FK3 8YH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 December 2025
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 Grangemouth
Other active plumbing and heating companies registered in Grangemouth.
- Triquick Innovation Ltd2026
- Fegan Contracts Limited2012
- Fegan Plumbing & Heating Ltd2022
- Klasgas Scotland Ltd2025
- Lynnbros Plumbing & Heating Ltd2024
- McAvoy Renewables & Installation Services Ltd2012
- P H & G Ltd2017
- R W Yuile Plumbing Heating Gas Services Ltd2022
All plumbing and heating companies in Grangemouth · All trades in Grangemouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are SMT Plumbing & Heating Scotland Ltd's accounts due?
SMT Plumbing & Heating Scotland Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is SMT Plumbing & Heating Scotland Ltd'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 SMT Plumbing & Heating Scotland Ltd still trading?
SMT Plumbing & Heating Scotland 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 SMT Plumbing & Heating Scotland Ltd do?
SMT Plumbing & Heating Scotland Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SMT Plumbing & Heating Scotland Ltd?
SMT Plumbing & Heating Scotland Ltd was incorporated on 13 April 2018, 8 years ago.
What is the penalty if SMT Plumbing & Heating Scotland 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 SMT Plumbing & Heating Scotland 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.