- Company number
- 17073359
- Incorporated
- 5 Mar 2026
- Registered office
- 53A Sidney Street, London, E1 2HH
- Nature of business
- Construction of domestic buildings
Lan Group Ltd is a newly incorporated private limited company registered in London, company number 17073359, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 5 December 2027, and its first CT600 is due at HMRC on 4 March 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 Lan Group Ltd is registered
The registered office is in London (E1), in the Tower Hamlets local authority area, London. Show E1 2HH on a map.
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What happens if Lan 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 5 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Dec 2027 to 5 Jan 2028 | £150 |
| 1 to 3 months late | 6 Jan 2028 to 5 Mar 2028 | £375 |
| 3 to 6 months late | 6 Mar 2028 to 5 Jun 2028 | £750 |
| More than 6 months late | From 6 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17073359
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2026
- Registered office
- 53A Sidney Street, London, E1 2HH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (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.
- Lanbury Group Construction Limited2026
- Lancashire Bespoke Property's Ltd.2022
- Land Life Real Estate Private Limited2025
- Landd Build Limited2025
- Landmark Chertsey Limited2016
- Landmark Innovation Ltd2026
- Landmark Management Group Ltd2024
- Landmasters Developments Limited1982
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Lan Group Ltd's accounts due?
Lan Group Ltd's next accounts are due at Companies House by 5 December 2027 (in 419 days), covering the period to 31 March 2027.
When is Lan 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 4 March 2027, due by 4 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Lan Group Ltd still trading?
Lan 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 Lan Group Ltd do?
Lan Group Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Lan Group Ltd?
Lan Group Ltd was incorporated on 5 March 2026, less than a year ago.
What is the penalty if Lan 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 Lan 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.