- Companies
- Plumbers and heating engineers
- Luton
- Karol Heating and Plumbing Limited
Karol Heating and Plumbing Limited
- Company number
- 12736295
- Incorporated
- 13 Jul 20206 years trading
- Registered office
- Kings Place, 23-27 King Street, Luton, LU1 2DW
- Nature of business
- Plumbing, heat and air-conditioning installation
Karol Heating and Plumbing Limited is a 6-year-old private limited company registered in Luton, company number 12736295, one of 158 plumbing and heating companies in Luton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £7,593 (+94.4%) on the year before, to £16K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £16K | £5,631 | £5,631 | 0 | |
| 31 Jul 2024 | £8,042 | -£500 | £8,042 | 0 | |
| 31 Jul 2023 | £11K | £2,425 | £11K | 0 | |
| 31 Jul 2022 | £8,372 | £3,806 | £8,372 | 0 | |
| 31 Jul 2021 | £4,095 | £1,455 | £4,095 | 0 | |
| 31 Jul 2020 | £0 | £0 | £0 | 0 |
Where Karol Heating and Plumbing Limited is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 2DW on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
Also registered at this address
6 other companies use the same registered office as Karol Heating and Plumbing Limited.
- E&B Transport LimitedBuilders
- HHK Property Maintenance LimitedProperty developers
- M G UK Electrics LimitedElectricians
- Marcell Rail Engineer LimitedCivil engineering
- Ozzy Engineering LimitedCivil engineering
- Rose Automotive Group LimitedMotor traders
What happens if Karol Heating and 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12736295
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2020 (6 years ago)
- Registered office
- Kings Place, 23-27 King Street, Luton, LU1 2DW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 12 July 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 Luton
Other active plumbing and heating companies registered in Luton.
- Kaya Water and Fire Ltd2025
- Kinergy Solutions Ltd2025
- Kinetik Building Services Limited2010
- Klaus Construction Ltd2020
- L and L Repair and Maintenance Services Ltd2026
- La Interiors Plumbing and Heating Ltd2025
- LCC Services Ltd2024
- LCN Instalation Ltd2024
All plumbing and heating companies in Luton · All trades in Luton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Karol Heating and Plumbing Limited's accounts due?
Karol Heating and Plumbing Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Karol Heating and Plumbing Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Karol Heating and Plumbing Limited still trading?
Karol Heating and 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 Karol Heating and Plumbing Limited do?
Karol Heating and Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Karol Heating and Plumbing Limited?
Karol Heating and Plumbing Limited was incorporated on 13 July 2020, 6 years ago.
What is the penalty if Karol Heating and 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 Karol Heating and 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.