- Companies
- Groundworks and demolition
- London
- C.Parkin Plant & Sons Ltd
C.Parkin Plant & Sons Ltd
- Company number
- 17108681
- Incorporated
- 23 Mar 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Site preparation; Landscape service activities
C.Parkin Plant & Sons Ltd is a newly incorporated private limited company registered in London, company number 17108681, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 23 December 2027, and its first CT600 is due at HMRC on 22 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 C.Parkin Plant & Sons 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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- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
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- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- 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 C.Parkin Plant & Sons 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 23 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2027 to 23 Jan 2028 | £150 |
| 1 to 3 months late | 24 Jan 2028 to 23 Mar 2028 | £375 |
| 3 to 6 months late | 24 Mar 2028 to 23 Jun 2028 | £750 |
| More than 6 months late | From 24 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
- 17108681
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Site preparation (SIC 43120)
Landscape service activities (SIC 81300) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in London
Other active groundworks and demolition companies registered in London.
- Capital Demolition Limited1989
- Carroll Construction Ltd2014
- Carvs Limited2023
- CC Demo Rack Limited2021
- CGB Utilities Ltd2026
- Chambers Demolition Services Ltd2025
- Chehar Limited2025
- Chitukla Nyirenda Ltd2023
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are C.Parkin Plant & Sons Ltd's accounts due?
C.Parkin Plant & Sons Ltd's next accounts are due at Companies House by 23 December 2027 (in 436 days), covering the period to 31 March 2027.
When is C.Parkin Plant & Sons 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 22 March 2027, due by 22 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 C.Parkin Plant & Sons Ltd still trading?
C.Parkin Plant & Sons 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 C.Parkin Plant & Sons Ltd do?
C.Parkin Plant & Sons Ltd is registered under Site preparation (SIC 43120); Landscape service activities (SIC 81300).
How old is C.Parkin Plant & Sons Ltd?
C.Parkin Plant & Sons Ltd was incorporated on 23 March 2026, less than a year ago.
What is the penalty if C.Parkin Plant & Sons 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 C.Parkin Plant & Sons 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.