- Companies
- Specialist contractors
- Diamond Pro Construction Ltd
Diamond Pro Construction Ltd
- Company number
- 14752187
- Incorporated
- 23 Mar 20233 years trading
- Registered office
- 11 Portland Road, Edgbaston, Birmingham, B16 9HN
- Nature of business
- Other specialised construction activities n.e.c.
Diamond Pro Construction Ltd is a 3-year-old private limited company registered in Edgbaston, company number 14752187, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £427 (+1.7%) on the year before, to £25K.
- Current assets of £56K against £59K owed within a year: 1.0 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £25K | £56K | £59K | 3 | |
| 31 Mar 2025 | £25K | £29K | £36K | 3 | |
| 31 Mar 2024 | £8,546 | £32K | £50K | 3 |
Where Diamond Pro Construction Ltd is registered
The registered office is in Edgbaston (B16), in the Birmingham local authority area, West Midlands. Show B16 9HN on a map.
Other trade companies in B16
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- Landkite LtdProperty developers
- Goldspire Property Holdings LtdProperty developers
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- Priority One Maintenance LtdPlasterers
- Doxservice LtdPlasterers
- Midwest Interior Solutions LtdFinishing trades
- Boost Automotive LimitedMotor traders
Shared registered office
61 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 Diamond Pro Construction 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 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
- 14752187
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2023 (3 years ago)
- Registered office
- 11 Portland Road, Edgbaston, Birmingham, B16 9HN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 3 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
Frequently asked questions
When are Diamond Pro Construction Ltd's accounts due?
Diamond Pro Construction Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Diamond Pro Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Diamond Pro Construction Ltd still trading?
Diamond Pro Construction 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 Diamond Pro Construction Ltd do?
Diamond Pro Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Diamond Pro Construction Ltd?
Diamond Pro Construction Ltd was incorporated on 23 March 2023, 3 years ago.
What is the penalty if Diamond Pro Construction 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 Diamond Pro Construction 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.