- Companies
- Machinery repair and installation
- Edinburgh
- Carbon Plumbing Limited
Carbon Plumbing Limited
- Company number
- SC472847
- Incorporated
- 18 Mar 201412 years trading
- Registered office
- 14 Kirkhill Drive, Edinburgh, EH16 5DW
- Nature of business
- Repair of other equipment
Carbon Plumbing Limited is a 12-year-old private limited company registered in Edinburgh, company number SC472847, one of 108 machinery repair and installation companies in Edinburgh. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Carbon Plumbing LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £4,250 (-97.3%) on the year before, to £117.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £18K against £17K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £117 | £3,414 | £18K | £17K | 0 |
| 30 Apr 2024 | £4,367 | £1,352 | £24K | £18K | 1 |
| 30 Apr 2023 | £100 | £3,335 | £37K | £21K | 1 |
| 30 Apr 2022 | £45 | £9,152 | £31K | £15K | 1 |
| 30 Apr 2021 | -£3,796 | £12K | £32K | £19K | 1 |
| 30 Apr 2020 | £100 | £1,346 | £13K | £14K | 1 |
| 30 Apr 2019 | -£3,093 | £6,286 | £8,279 | £13K | |
| 30 Apr 2018 | £133 | £2,646 | £24K | £26K | |
| 30 Apr 2017 | £279 | £4,719 | £17K | £20K | |
| 30 Apr 2016 | £102 | £3,653 | £5,867 | £8,920 |
Where Carbon Plumbing Limited is registered
The registered office is in Edinburgh (EH16), in the City of Edinburgh local authority area, Scotland. Show EH16 5DW on a map.
Other trade companies in EH16
- Immaculate Cleaning & Services LtdCleaning companies
- Advance Plumbing and Heating LtdPlumbers and heating engineers
- Key Developments Edinburgh LtdJoiners and carpenters
- Ij Group LimitedMotor traders
- Capital Joinery & Construction LtdBuilders
- 515 M LtdSpecialist contractors
- Edinburgh E.P.L Scaffolding LtdScaffolders
- East Coast Building Contractors LimitedBuilders
What happens if Carbon Plumbing 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- SC472847
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2014 (12 years ago)
- Registered office
- 14 Kirkhill Drive, Edinburgh, EH16 5DW
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 18 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Edinburgh
Other active machinery repair and installation companies registered in Edinburgh.
- Catering Equipment Repairs and Maintenance Limited2009
- Cool Expert Limited2017
- Craig Brown Electrical Services Limited2016
- Dallol Islay Limited2020
- Defined Electrical Solutions Ltd2026
- DR Blades Ltd2025
- Eden Services (Scotland) Limited2014
- Edgesphere Limited2024
All machinery repair and installation companies in Edinburgh · All trades in Edinburgh · Machinery repair and installation across the UK
Frequently asked questions
When are Carbon Plumbing Limited's accounts due?
Carbon Plumbing Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Carbon Plumbing Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Carbon Plumbing Limited still trading?
Carbon Plumbing 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 Carbon Plumbing Limited do?
Carbon Plumbing Limited is registered under Repair of other equipment (SIC 33190).
How old is Carbon Plumbing Limited?
Carbon Plumbing Limited was incorporated on 18 March 2014, 12 years ago.
What is the penalty if Carbon Plumbing 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 Carbon Plumbing 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.