- Companies
- Plumbers and heating engineers
- London
- Alvernix Group Ltd
Alvernix Group Ltd
- Company number
- 17394620
- Incorporated
- 11 Aug 2026
- Registered office
- First Floor, Office B05, 72 Old Compton Street, London, W1D 4UN
- Nature of business
- Plumbing, heat and air-conditioning installation; Residents property management
Alvernix Group Ltd is a newly incorporated private limited company registered in London, company number 17394620, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 11 May 2028, and its first CT600 is due at HMRC on 10 August 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.
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Where Alvernix Group Ltd is registered
The registered office is in London (W1D), in the Westminster local authority area, London. Show W1D 4UN on a map.
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What happens if Alvernix Group 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 11 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 May 2028 to 11 Jun 2028 | £150 |
| 1 to 3 months late | 12 Jun 2028 to 11 Aug 2028 | £375 |
| 3 to 6 months late | 12 Aug 2028 to 11 Nov 2028 | £750 |
| More than 6 months late | From 12 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17394620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2026
- Registered office
- First Floor, Office B05, 72 Old Compton Street, London, W1D 4UN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Residents property management (SIC 98000) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active plumbing and heating companies registered in London.
- Am Plumbing Solutions Limited2026
- Am/PM Plumbing & Heating Engineers Ltd2025
- Ambient Design Services Ltd2015
- Ambient Heating & Plumbing Ltd2011
- Amcd Projects Ltd2017
- Amd Heating Ltd2018
- Aml Plumbing Services Ltd2026
- Amva Ltd2020
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Alvernix Group Ltd's accounts due?
Alvernix Group Ltd's next accounts are due at Companies House by 11 May 2028 (in 576 days), covering the period to 31 August 2027.
When is Alvernix Group 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 10 August 2027, due by 10 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Alvernix Group Ltd still trading?
Alvernix Group 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 Alvernix Group Ltd do?
Alvernix Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Residents property management (SIC 98000).
How old is Alvernix Group Ltd?
Alvernix Group Ltd was incorporated on 11 August 2026, less than a year ago.
What is the penalty if Alvernix Group 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 Alvernix Group 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.