- Company number
- 16068680
- Incorporated
- 8 Nov 20241 year trading
- Registered office
- 4 Sandown Cottages, Godwin Road, Margate, CT9 2HD
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Construction Twenty One Limited is a 1-year-old private limited company registered in Margate, company number 16068680, one of 69 building contractors in Margate. Its next accounts are due at Companies House on 8 November 2026, and its first CT600 is due at HMRC on 7 November 2026.
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 Construction Twenty One Limited is registered
The registered office is in Margate (CT9), in the Thanet local authority area, South East. Show CT9 2HD on a map.
Other trade companies in CT9
- KMH Property Group LtdProperty developers
- JR Electrical Services (Kent) LtdMachinery repair and installation
- CSL Ground Solutions LtdInstallers
- Pej Court Developments LtdBuilders
- Alro Interior Building LtdFinishing trades
- Tune Up Garage LtdMechanics and garages
- KM Group LtdProperty developers
- S.Groundworks LtdCivil engineering
What happens if Construction Twenty One Limited 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 8 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Nov 2026 to 8 Dec 2026 | £150 |
| 1 to 3 months late | 9 Dec 2026 to 8 Feb 2027 | £375 |
| 3 to 6 months late | 9 Feb 2027 to 8 May 2027 | £750 |
| More than 6 months late | From 9 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16068680
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2024 (1 year ago)
- Registered office
- 4 Sandown Cottages, Godwin Road, Margate, CT9 2HD
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 7 November 2025
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 Margate
Other active building contractors registered in Margate.
- CPN Building Services Ltd2025
- D & T Building & Maintenance Ltd2024
- DW Site Services Limited2026
- Five Oaks Projects Limited2017
- Fort Road Development Co Limited2020
- Greenfinches Residential Developments Ltd2015
- Hillback Limited2024
- Holroyd Homes and Construction Ltd2021
All building contractors in Margate · All trades in Margate · Builders across the UK
Frequently asked questions
When are Construction Twenty One Limited's accounts due?
Construction Twenty One Limited's next accounts are due at Companies House by 8 November 2026 (in 27 days), covering the period to 30 November 2025.
When is Construction Twenty One Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 November 2025, due by 7 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Construction Twenty One Limited still trading?
Construction Twenty One Limited 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 Construction Twenty One Limited do?
Construction Twenty One Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Construction Twenty One Limited?
Construction Twenty One Limited was incorporated on 8 November 2024, 1 year ago.
What is the penalty if Construction Twenty One Limited 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 Construction Twenty One Limited 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.