- Companies
- Finishing trades
- Birmingham
- 21 Design Construction Limited
21 Design Construction Limited
- Company number
- 15753516
- Incorporated
- 31 May 20242 years trading
- Registered office
- 57 Wentworth Way, Birmingham, B32 2UX
- Nature of business
- Other building completion and finishing
21 Design Construction Limited is a 2-year-old private limited company registered in Birmingham, company number 15753516, one of 422 building finishing companies in Birmingham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 October 2025, as filed at Companies House.
Where 21 Design Construction Limited is registered
The registered office is in Birmingham (B32), in the Birmingham local authority area, West Midlands. Show B32 2UX on a map.
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- LK Trade & Property Service LtdFinishing trades
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- Blinds & Shutters Experts LtdSpecialist contractors
- Sparklebrum LtdCleaning companies
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What happens if 21 Design Construction 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15753516
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2024 (2 years ago)
- Registered office
- 57 Wentworth Way, Birmingham, B32 2UX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 30 May 2026
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 Birmingham
Other active building finishing companies registered in Birmingham.
- 2ND City Build Ltd2026
- 360 Surveying & Building Solutions Ltd2018
- 3D Brickwork Ltd2020
- 5 Star Builders Services Ltd2021
- 5 Star Development Ltd2008
- 7 Star Insulations Limited2024
- A & M Interior Projects Limited2010
- A A Tiling Ltd2020
All building finishing companies in Birmingham · All trades in Birmingham · Finishing trades across the UK
Frequently asked questions
When are 21 Design Construction Limited's accounts due?
21 Design Construction Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is 21 Design Construction Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is 21 Design Construction Limited still trading?
21 Design Construction 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 21 Design Construction Limited do?
21 Design Construction Limited is registered under Other building completion and finishing (SIC 43390).
How old is 21 Design Construction Limited?
21 Design Construction Limited was incorporated on 31 May 2024, 2 years ago.
What is the penalty if 21 Design Construction 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 21 Design Construction 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.