- Companies
- Finishing trades
- Plymouth
- Mark3D Improvements Limited
Mark3D Improvements Limited
- Company number
- 16145823
- Incorporated
- 20 Dec 20241 year trading
- Registered office
- Rose Cottage Colebrook Road, Plympton, Plymouth, PL7 4AA
- Nature of business
- Other building completion and finishing
Mark3D Improvements Limited is a 1-year-old private limited company registered in Plymouth, company number 16145823, one of 101 building finishing companies in Plymouth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Mark3D Improvements Limited is registered
The registered office is in Plymouth (PL7), in the Plymouth local authority area, South West. Show PL7 4AA on a map.
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What happens if Mark3D Improvements 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | 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
- 16145823
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2024 (1 year ago)
- Registered office
- Rose Cottage Colebrook Road, Plympton, Plymouth, PL7 4AA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 19 December 2025
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 Plymouth
Other active building finishing companies registered in Plymouth.
- Mayflowerstone Limited2006
- Mercury Construction (South West) Limited2006
- Michael Taylor (Plymouth) Ltd2004
- Neal Stoneman Holdings Limited2020
- Osterley Building Services Limited2010
- PL Building Services Limited2006
- Plymouth Building Solutions Ltd2025
- Plymouth Chimney and Flue Specialists Limited1997
All building finishing companies in Plymouth · All trades in Plymouth · Finishing trades across the UK
Frequently asked questions
When are Mark3D Improvements Limited's accounts due?
Mark3D Improvements Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Mark3D Improvements Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Mark3D Improvements Limited still trading?
Mark3D Improvements 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 Mark3D Improvements Limited do?
Mark3D Improvements Limited is registered under Other building completion and finishing (SIC 43390).
How old is Mark3D Improvements Limited?
Mark3D Improvements Limited was incorporated on 20 December 2024, 1 year ago.
What is the penalty if Mark3D Improvements 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 Mark3D Improvements 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.