- Companies
- Installers
- London
- Islaverde UK Limited
Islaverde UK Limited
- Company number
- 16134420
- Incorporated
- 13 Dec 20241 year trading
- Registered office
- 19 Grangeway, London, NW6 2BT
- Nature of business
- Other construction installation
Islaverde UK Limited is a 1-year-old private limited company registered in London, company number 16134420, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Companies House shows its accounts as overdue: they were due on 13 September 2026.
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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Who runs and owns Islaverde UK Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| O*** A*** | Director | Dec 2024 |
Person with significant control
Where Islaverde UK Limited is registered
The registered office is in London (NW6), in the Camden local authority area, London. Show NW6 2BT on a map.
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What happens if Islaverde UK Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Sep 2026 to 13 Oct 2026 | £150 |
| 1 to 3 months late | 14 Oct 2026 to 13 Dec 2026 | £375 |
| 3 to 6 months late | 14 Dec 2026 to 13 Mar 2027 | £750 |
| More than 6 months late | From 14 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16134420
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2024 (1 year ago)
- Registered office
- 19 Grangeway, London, NW6 2BT
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Iso Consulting Management Ltd2026
- Isofit Mechanical Services Ltd2026
- Isolairy Ltd2020
- Isolife12 Trading Ltd2020
- Itcc Services Ltd2025
- Its Done General Support Limited2025
- Iv Drylining Ltd2018
- Ivory Kitchens & Interiors Ltd2026
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Islaverde UK Limited's accounts due?
Islaverde UK Limited's accounts were due at Companies House on 13 September 2026 and the register shows them as overdue.
When is Islaverde UK 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 12 December 2025, due by 12 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Islaverde UK Limited still trading?
Islaverde UK 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 Islaverde UK Limited do?
Islaverde UK Limited is registered under Other construction installation (SIC 43290).
How old is Islaverde UK Limited?
Islaverde UK Limited was incorporated on 13 December 2024, 1 year ago.
Who runs Islaverde UK Limited?
Islaverde UK Limited has 1 active director, the longest-serving appointed in Dec 2024. Their names and service addresses are on the Companies House register.
Who owns Islaverde UK Limited?
One person or company has significant control of Islaverde UK Limited: an individual (owns 75% or more of the shares).
What is the penalty if Islaverde UK 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 Islaverde UK 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.