- Companies
- Finishing trades
- Warminster
- Cosycork Insulation Ltd
Cosycork Insulation Ltd
- Company number
- 17153655
- Incorporated
- 13 Apr 2026
- Registered office
- 1 Gemini Drive, Warminster, Wiltshire, BA12 8LP
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.
Cosycork Insulation Ltd is a newly incorporated private limited company registered in Warminster, company number 17153655, one of 13 building finishing companies in Warminster. Its next accounts are due at Companies House on 13 January 2028, and its first CT600 is due at HMRC on 12 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 Cosycork Insulation Ltd is registered
The registered office is in Warminster (BA12), in the Wiltshire local authority area, South West. Show BA12 8LP on a map.
Other trade companies in BA12
- KLS Trade Cars LtdMotor traders
- White Rose Cleaning Company LtdCleaning companies
- Wiltshire Air Conditioning & Heating LtdPlumbers and heating engineers
- JMS Safe Site Solutions LtdSpecialist contractors
- FG Develop LimitedProperty developers
- MGC Plumbing LimitedPlumbers and heating engineers
- MGC Vacex LimitedSpecialist contractors
- Sukiggy LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Cosycork Insulation Ltd.
- DSB Plastering Bath LtdPlasterers
What happens if Cosycork Insulation 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 13 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jan 2028 to 13 Feb 2028 | £150 |
| 1 to 3 months late | 14 Feb 2028 to 13 Apr 2028 | £375 |
| 3 to 6 months late | 14 Apr 2028 to 13 Jul 2028 | £750 |
| More than 6 months late | From 14 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
- 17153655
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2026
- Registered office
- 1 Gemini Drive, Warminster, Wiltshire, BA12 8LP
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Warminster
Other active building finishing companies registered in Warminster.
- D J Doors Limited2014
- D Tite Ltd2023
- Graham and Kimber Limited1979
- John E.S. Jones & Son Ltd2007
- R F Eddington Limited2011
- Rocketdog Masonry Limited2019
- Rogers & Sons Limited1997
- RVH Carpentry & Building Services Ltd2021
All building finishing companies in Warminster · All trades in Warminster · Finishing trades across the UK
Frequently asked questions
When are Cosycork Insulation Ltd's accounts due?
Cosycork Insulation Ltd's next accounts are due at Companies House by 13 January 2028 (in 457 days), covering the period to 30 April 2027.
When is Cosycork Insulation 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 12 April 2027, due by 12 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 Cosycork Insulation Ltd still trading?
Cosycork Insulation 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 Cosycork Insulation Ltd do?
Cosycork Insulation Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Cosycork Insulation Ltd?
Cosycork Insulation Ltd was incorporated on 13 April 2026, less than a year ago.
What is the penalty if Cosycork Insulation 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 Cosycork Insulation 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.