- Company number
- 16822989
- Incorporated
- 31 Oct 2025
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of domestic buildings; Other construction installation
Mgconstructs Group Ltd is a newly incorporated private limited company registered in London, company number 16822989, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 July 2027, and its first CT600 is due at HMRC on 30 October 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 Mgconstructs Group Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
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- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mgconstructs 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16822989
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2025
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- MGD Tamworth Limited2026
- Mge Facilities Ltd2020
- MGJ Builders Ltd2025
- MGK Design&Build Ltd2025
- MGM Wembley Limited2011
- MGR Constructions Ltd2025
- MGS Building & Construction Limited2023
- MGV Construction Ltd2018
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Mgconstructs Group Ltd's accounts due?
Mgconstructs Group Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Mgconstructs 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 30 October 2026, due by 30 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mgconstructs Group Ltd still trading?
Mgconstructs 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 Mgconstructs Group Ltd do?
Mgconstructs Group Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Mgconstructs Group Ltd?
Mgconstructs Group Ltd was incorporated on 31 October 2025, less than a year ago.
What is the penalty if Mgconstructs 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 Mgconstructs 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.