- Companies
- Property developers
- Brentwood
- Diamond Developments Phase 1 Limited
Diamond Developments Phase 1 Limited
- Company number
- 12051642
- Incorporated
- 14 Jun 20197 years trading
- Registered office
- Ground Floor, Kings House, 101-135 Kings Road, Brentwood, Essex, CM14 4DR
- Nature of business
- Development of building projects
Diamond Developments Phase 1 Limited is a 7-year-old private limited company registered in Brentwood, company number 12051642, one of 157 property development companies in Brentwood. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
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 down £74K on the year before, to -£74K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- Current assets of £278K against £352K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£74K | £15K | £278K | £352K | 0 |
| 30 Jun 2024 | £91 | £608 | £161K | £161K | 1 |
| 30 Jun 2023 | £100 | £100 | £100 | £0 | 1 |
| 30 Jun 2022 | £100 | £100 | 2 | ||
| 30 Jun 2021 | £100 | £100 | 2 | ||
| 30 Jun 2020 | £100 | £100 | 2 |
Where Diamond Developments Phase 1 Limited is registered
The registered office is in Brentwood (CM14), in the Brentwood local authority area, East of England. Show CM14 4DR on a map.
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Shared registered office
56 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 Developments Phase 1 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12051642
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2019 (7 years ago)
- Registered office
- Ground Floor, Kings House, 101-135 Kings Road, Brentwood, Essex, CM14 4DR
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 13 September 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Charles Street 2019 Limited (until 28 Sep 2022)
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 Brentwood
Other active property development companies registered in Brentwood.
- Dowden Holdings Limited2022
- DV Renovations & Construction Ltd2017
- Dylan James Building Solutions Limited2008
- E & M Property Renovations Ltd2022
- Ejn Property Developers Ltd2020
- Ellbrooke Building & Maintenance Ltd2026
- Essex & Herts Construction Ltd2023
- Essex Land and Build Developments Limited2014
All property development companies in Brentwood · All trades in Brentwood · Property developers across the UK
Frequently asked questions
When are Diamond Developments Phase 1 Limited's accounts due?
Diamond Developments Phase 1 Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Diamond Developments Phase 1 Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Diamond Developments Phase 1 Limited still trading?
Diamond Developments Phase 1 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 Diamond Developments Phase 1 Limited do?
Diamond Developments Phase 1 Limited is registered under Development of building projects (SIC 41100).
How old is Diamond Developments Phase 1 Limited?
Diamond Developments Phase 1 Limited was incorporated on 14 June 2019, 7 years ago.
What is the penalty if Diamond Developments Phase 1 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 Diamond Developments Phase 1 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.