- Companies
- Plumbers and heating engineers
- Slough
- Kals Heating and Plumbing Services Ltd
Kals Heating and Plumbing Services Ltd
- Company number
- 16325588
- Incorporated
- 18 Mar 20251 year trading
- Registered office
- 11 Randolph Road, Slough, SL3 7QF
- Nature of business
- Plumbing, heat and air-conditioning installation
Kals Heating and Plumbing Services Ltd is a 1-year-old private limited company registered in Slough, company number 16325588, one of 128 plumbing and heating companies in Slough. Its next accounts are due at Companies House on 18 December 2026, and its first CT600 is due at HMRC on 17 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Kals Heating and Plumbing Services Ltd is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 7QF on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
What happens if Kals Heating and Plumbing Services 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 18 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Dec 2026 to 18 Jan 2027 | £150 |
| 1 to 3 months late | 19 Jan 2027 to 18 Mar 2027 | £375 |
| 3 to 6 months late | 19 Mar 2027 to 18 Jun 2027 | £750 |
| More than 6 months late | From 19 Jun 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
- 16325588
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2025 (1 year ago)
- Registered office
- 11 Randolph Road, Slough, SL3 7QF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 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 Slough
Other active plumbing and heating companies registered in Slough.
- KCG Heating Specialists Limited2022
- KH Mechanical Services Limited2013
- London Gas Engineers Ltd2012
- London Heating and Gas Services Limited2024
- M&M Building Services Ltd2022
- Mac Plumbing and Heating Ltd2021
- Majesty Solutions Limited2024
- Mas Plumbing & Heating Services Ltd2025
All plumbing and heating companies in Slough · All trades in Slough · Plumbers and heating engineers across the UK
Frequently asked questions
When are Kals Heating and Plumbing Services Ltd's accounts due?
Kals Heating and Plumbing Services Ltd's next accounts are due at Companies House by 18 December 2026 (in 66 days), covering the period to 31 March 2026.
When is Kals Heating and Plumbing Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 March 2026, due by 17 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Kals Heating and Plumbing Services Ltd still trading?
Kals Heating and Plumbing Services 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 Kals Heating and Plumbing Services Ltd do?
Kals Heating and Plumbing Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Kals Heating and Plumbing Services Ltd?
Kals Heating and Plumbing Services Ltd was incorporated on 18 March 2025, 1 year ago.
What is the penalty if Kals Heating and Plumbing Services 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 Kals Heating and Plumbing Services 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.