- Companies
- Civil engineering
- London
- Ardleigh Group Ltd
Ardleigh Group Ltd
- Company number
- 17146203
- Incorporated
- 9 Apr 2026
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, London, NW7 2AS
- Nature of business
- Construction of utility projects for electricity and telecommunications; Construction of other civil engineering projects n.e.c.; Activities of other holding companies n.e.c.; Temporary employment agency activities
Ardleigh Group Ltd is a newly incorporated private limited company registered in London, company number 17146203, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 9 January 2028, and its first CT600 is due at HMRC on 8 April 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 Ardleigh Group Ltd is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 2AS on a map.
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Shared registered office
47 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 Ardleigh 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 9 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jan 2028 to 9 Feb 2028 | £150 |
| 1 to 3 months late | 10 Feb 2028 to 9 Apr 2028 | £375 |
| 3 to 6 months late | 10 Apr 2028 to 9 Jul 2028 | £750 |
| More than 6 months late | From 10 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17146203
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 April 2026
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, London, NW7 2AS
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Activities of other holding companies n.e.c. (SIC 64209)
Temporary employment agency activities (SIC 78200) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Aress Construction Ltd2025
- Arglu Services Ltd2026
- Arhitel Ltd2018
- Ari Engineering Limited2019
- Ariaa Limited2022
- Arkhitekton Energy Limited2025
- Arlisutilities Ltd2021
- Armco Civils UK Ltd2015
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Ardleigh Group Ltd's accounts due?
Ardleigh Group Ltd's next accounts are due at Companies House by 9 January 2028 (in 453 days), covering the period to 30 April 2027.
When is Ardleigh 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 8 April 2027, due by 8 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ardleigh Group Ltd still trading?
Ardleigh 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 Ardleigh Group Ltd do?
Ardleigh Group Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of other civil engineering projects n.e.c. (SIC 42990); Activities of other holding companies n.e.c. (SIC 64209); Temporary employment agency activities (SIC 78200).
How old is Ardleigh Group Ltd?
Ardleigh Group Ltd was incorporated on 9 April 2026, less than a year ago.
What is the penalty if Ardleigh 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 Ardleigh 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.