- Companies
- Installers
- Romford
- Grenix Ltd
Grenix Ltd
- Company number
- 16989584
- Incorporated
- 26 Jan 2026
- Registered office
- 7 Redwood Avenue, Romford, RM3 0FW
- Nature of business
- Other construction installation
Grenix Ltd is a newly incorporated private limited company registered in Romford, company number 16989584, one of 143 installation companies (insulation, lifts, shutters and similar) in Romford. Its next accounts are due at Companies House on 26 October 2027, and its first CT600 is due at HMRC on 25 January 2028.
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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Grenix LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Grenix Ltd is registered
The registered office is in Romford (RM3), in the Havering local authority area, London. Show RM3 0FW on a map.
Other trade companies in RM3
- Complete Solar Power LtdRoofers
- Emirate Fire and Security (Passive) LimitedInstallers
- Gamma Lifts LimitedInstallers
- Acc Mep LtdInstallers
- Fav Construction LimitedInstallers
- Zelda Cleaning Services LtdCleaning companies
- Hutton Heating and Air Conditioning LtdPlumbers and heating engineers
- Perfect Build Management LtdSpecialist contractors
What happens if Grenix 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 26 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Oct 2027 to 26 Nov 2027 | £150 |
| 1 to 3 months late | 27 Nov 2027 to 26 Jan 2028 | £375 |
| 3 to 6 months late | 27 Jan 2028 to 26 Apr 2028 | £750 |
| More than 6 months late | From 27 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16989584
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2026
- Registered office
- 7 Redwood Avenue, Romford, RM3 0FW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (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 Romford
Other active installation companies (insulation, lifts, shutters and similar) registered in Romford.
- G’Alexandr Company Ltd2023
- Hardec Wet Rooms Ltd2020
- Hill's Safety Compliance Group Ltd2025
- Hollywood Scaffolding UK Limited2020
- Home Heros Property Services Ltd2025
- I Home Development Ltd2022
- I&G Services Ltd2026
- I.G.K. Building Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Romford · All trades in Romford · Installers across the UK
Frequently asked questions
When are Grenix Ltd's accounts due?
Grenix Ltd's next accounts are due at Companies House by 26 October 2027 (in 379 days), covering the period to 31 January 2027.
When is Grenix 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 25 January 2027, due by 25 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Grenix Ltd still trading?
Grenix 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 Grenix Ltd do?
Grenix Ltd is registered under Other construction installation (SIC 43290).
How old is Grenix Ltd?
Grenix Ltd was incorporated on 26 January 2026, less than a year ago.
What is the penalty if Grenix 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 Grenix 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.