- Company number
- 17084365
- Incorporated
- 11 Mar 2026
- Registered office
- 43A Market Place, Bawtry, Doncaster, DN10 6JL
- Nature of business
- Construction of domestic buildings
Defender Safety Decking Ltd is a newly incorporated private limited company registered in Doncaster, company number 17084365, one of 306 building contractors in Doncaster. Its next accounts are due at Companies House on 11 December 2027, and its first CT600 is due at HMRC on 10 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 Defender Safety Decking Ltd is registered
The registered office is in Doncaster (DN10), in the Doncaster local authority area, Yorkshire and The Humber. Show DN10 6JL on a map.
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Also registered at this address
14 other companies use the same registered office as Defender Safety Decking Ltd.
- A J E Plumbing and Building LtdBuilders
- Brookfield Electrical LtdElectricians
- Brookfield Renewable Energies LtdElectricians
- Brookfield Solar Maintenance LtdMachinery repair and installation
- Davies Design & Build LtdCivil engineering
- Just Roadster LtdMotor traders
- Ma Plant Services LtdMachinery repair and installation
- Meadow Court Facilities Management LtdFacilities management
- Premier Plumbing Doncaster LtdPlumbers and heating engineers
- Reeve & Brown Developments LtdProperty developers
- RP Drilling LimitedGroundworks and demolition
- Saffron Joinery LtdBuilders
- Ubique Consultancy LtdCivil engineering
- Winfrow Plumbing & Heating LtdPlumbers and heating engineers
What happens if Defender Safety Decking 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 11 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Dec 2027 to 11 Jan 2028 | £150 |
| 1 to 3 months late | 12 Jan 2028 to 11 Mar 2028 | £375 |
| 3 to 6 months late | 12 Mar 2028 to 11 Jun 2028 | £750 |
| More than 6 months late | From 12 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
- 17084365
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2026
- Registered office
- 43A Market Place, Bawtry, Doncaster, DN10 6JL
- 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 Doncaster
Other active building contractors registered in Doncaster.
- Delvebright Limited1991
- Developing and Building Ltd2022
- DJB Renovations Limited2014
- DRR Construct Ltd2026
- DS Building Services (Doncaster) Ltd2018
- Dudgeon Building & Roofing Limited2006
- Durham Villages Regeneration Limited2001
- E H Homes Limited1985
All building contractors in Doncaster · All trades in Doncaster · Builders across the UK
Frequently asked questions
When are Defender Safety Decking Ltd's accounts due?
Defender Safety Decking Ltd's next accounts are due at Companies House by 11 December 2027 (in 424 days), covering the period to 31 March 2027.
When is Defender Safety Decking 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 10 March 2027, due by 10 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 Defender Safety Decking Ltd still trading?
Defender Safety Decking 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 Defender Safety Decking Ltd do?
Defender Safety Decking Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Defender Safety Decking Ltd?
Defender Safety Decking Ltd was incorporated on 11 March 2026, less than a year ago.
What is the penalty if Defender Safety Decking 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 Defender Safety Decking 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.