- Companies
- Property developers
- Derby
- C-Mac Utilities Limited
C-Mac Utilities Limited
- Company number
- 16515983
- Incorporated
- 13 Jun 20251 year trading
- Registered office
- Vicarage Corner House, 219 Burton Road, Derby, Derbyshire, DE23 6AE
- Nature of business
- Development of building projects; Other specialised construction activities n.e.c.
C-Mac Utilities Limited is a 1-year-old private limited company registered in Derby, company number 16515983, one of 408 property development companies in Derby. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Where C-Mac Utilities Limited is registered
The registered office is in Derby (DE23), in the Derby local authority area, East Midlands. Show DE23 6AE on a map.
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Shared registered office
66 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if C-Mac Utilities 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16515983
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2025 (1 year ago)
- Registered office
- Vicarage Corner House, 219 Burton Road, Derby, Derbyshire, DE23 6AE
- Nature of business
- Development of building projects (SIC 41100)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 1 June 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Derby
Other active property development companies registered in Derby.
- Caldermore Holdings Ltd2026
- Calesa Construction Ltd2026
- Calesa Developments Ltd2025
- Camdexs Ltd2023
- Canfield (Coptic Street) Limited1999
- Canfield Freehold Limited1996
- Capital One Property Management Ltd2025
- Capital One Property Partners Ltd2023
All property development companies in Derby · All trades in Derby · Property developers across the UK
Frequently asked questions
When are C-Mac Utilities Limited's accounts due?
C-Mac Utilities Limited's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is C-Mac Utilities Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is C-Mac Utilities Limited still trading?
C-Mac Utilities 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 C-Mac Utilities Limited do?
C-Mac Utilities Limited is registered under Development of building projects (SIC 41100); Other specialised construction activities n.e.c. (SIC 43999).
How old is C-Mac Utilities Limited?
C-Mac Utilities Limited was incorporated on 13 June 2025, 1 year ago.
What is the penalty if C-Mac Utilities 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 C-Mac Utilities 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.