- Companies
- Plumbers and heating engineers
- Dumbarton
- K C Plumbers Limited
K C Plumbers Limited
- Company number
- SC327004
- Incorporated
- 28 Jun 200719 years trading
- Registered office
- 15 Lime Road, Broadmeadow Industrial Estate, Dumbarton, G82 2RP
- Nature of business
- Plumbing, heat and air-conditioning installation
K C Plumbers Limited is a 19-year-old private limited company registered in Dumbarton, company number SC327004, one of 10 plumbing and heating companies in Dumbarton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £12K (+42.9%) on the year before, to £41K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £50K against £12K owed within a year: 4.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £41K | £50K | £12K | 2 | |
| 30 Jun 2024 | £28K | £37K | £12K | 2 | |
| 30 Jun 2023 | £34K | £38K | £9,778 | 2 | |
| 30 Jun 2022 | £38K | £40K | £9,324 | 2 |
Where K C Plumbers Limited is registered
The registered office is in Dumbarton (G82), in the West Dunbartonshire local authority area, Scotland. Show G82 2RP on a map.
Other trade companies in G82
- Mintedcs LtdRoofers
- RT Electrical Services Scotland LtdElectricians
- Central Heating Scotland LtdPlumbers and heating engineers
- Carberry R.H LtdMachinery repair and installation
- RGM Window Cleaning LimitedCleaning companies
- Maxwell's Air Conditioning LtdPlumbers and heating engineers
- Plasterforce LtdPlasterers
- NCL Engineering LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as K C Plumbers Limited.
- Opal Contracts LimitedJoiners and carpenters
What happens if K C Plumbers 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC327004
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2007 (19 years ago)
- Registered office
- 15 Lime Road, Broadmeadow Industrial Estate, Dumbarton, G82 2RP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 28 June 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 Dumbarton
Other active plumbing and heating companies registered in Dumbarton.
- K.Liddell Plumbing & Heating Ltd2022
- Kaney Renovations Ltd2020
- Maxwell's Air Conditioning Ltd2026
- Osprey Heating and Plumbing Ltd2020
- PHG Solutions Limited2018
- Central Heating Scotland Ltd2026
- DMC Gas Limited2020
- Gas Clouds Ltd2022
All plumbing and heating companies in Dumbarton · All trades in Dumbarton · Plumbers and heating engineers across the UK
Frequently asked questions
When are K C Plumbers Limited's accounts due?
K C Plumbers Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is K C Plumbers Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is K C Plumbers Limited still trading?
K C Plumbers 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 K C Plumbers Limited do?
K C Plumbers Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is K C Plumbers Limited?
K C Plumbers Limited was incorporated on 28 June 2007, 19 years ago.
What is the penalty if K C Plumbers 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 K C Plumbers 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.