- Companies
- Installers
- Hayes
- KLS Passive Fire Protection Limited
KLS Passive Fire Protection Limited
- Company number
- 16742570
- Incorporated
- 25 Sep 20251 year trading
- Registered office
- 154 Cranborne Waye, Hayes, UB4 0HS
- Nature of business
- Other construction installation
KLS Passive Fire Protection Limited is a 1-year-old private limited company registered in Hayes, company number 16742570, one of 52 installation companies (insulation, lifts, shutters and similar) in Hayes. Its next accounts are due at Companies House on 25 June 2027, and its first CT600 is due at HMRC on 24 September 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 KLS Passive Fire Protection Limited is registered
The registered office is in Hayes (UB4), in the Hillingdon local authority area, London. Show UB4 0HS on a map.
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What happens if KLS Passive Fire Protection 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 25 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Jun 2027 to 25 Jul 2027 | £150 |
| 1 to 3 months late | 26 Jul 2027 to 25 Sep 2027 | £375 |
| 3 to 6 months late | 26 Sep 2027 to 25 Dec 2027 | £750 |
| More than 6 months late | From 26 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16742570
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2025 (1 year ago)
- Registered office
- 154 Cranborne Waye, Hayes, UB4 0HS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Hayes
Other active installation companies (insulation, lifts, shutters and similar) registered in Hayes.
- Majhail Interior Ltd2026
- McCann Construction Services Ltd2025
- Multiplex Shopfitters Limited2020
- Panjab Brick and Block Work Limited2025
- PRP Karthik Ltd2023
- PRP Karthik Shopfitters Ltd2022
- PSG Builders Ltd2013
- R K Design & Build Ltd2018
All installation companies (insulation, lifts, shutters and similar) in Hayes · All trades in Hayes · Installers across the UK
Frequently asked questions
When are KLS Passive Fire Protection Limited's accounts due?
KLS Passive Fire Protection Limited's next accounts are due at Companies House by 25 June 2027 (in 255 days), covering the period to 30 September 2026.
When is KLS Passive Fire Protection Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 24 September 2026, due by 24 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is KLS Passive Fire Protection Limited still trading?
KLS Passive Fire Protection Limited is listed as active on the Companies House register (checked 13 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 KLS Passive Fire Protection Limited do?
KLS Passive Fire Protection Limited is registered under Other construction installation (SIC 43290).
How old is KLS Passive Fire Protection Limited?
KLS Passive Fire Protection Limited was incorporated on 25 September 2025, 1 year ago.
What is the penalty if KLS Passive Fire Protection 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 KLS Passive Fire Protection Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.