- Companies
- Property developers
- Sudbury
- Delphi Developments Ltd
Delphi Developments Ltd
- Company number
- 17390774
- Incorporated
- 10 Aug 2026
- Registered office
- 77 Head Lane, Sudbury, CO10 0JS
- Nature of business
- Development of building projects; Construction of domestic buildings; Quantity surveying activities
Delphi Developments Ltd is a newly incorporated private limited company registered in Sudbury, company number 17390774, one of 55 property development companies in Sudbury. Its next accounts are due at Companies House on 10 May 2028, and its first CT600 is due at HMRC on 9 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Delphi Developments Ltd is registered
The registered office is in Sudbury (CO10), in the Babergh local authority area, East of England. Show CO10 0JS on a map.
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What happens if Delphi Developments 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 10 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 May 2028 to 10 Jun 2028 | £150 |
| 1 to 3 months late | 11 Jun 2028 to 10 Aug 2028 | £375 |
| 3 to 6 months late | 11 Aug 2028 to 10 Nov 2028 | £750 |
| More than 6 months late | From 11 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17390774
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 August 2026
- Registered office
- 77 Head Lane, Sudbury, CO10 0JS
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202)
Quantity surveying activities (SIC 74902) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sudbury
Other active property development companies registered in Sudbury.
- Elford & Sons Limited1983
- Emmerson Critchley Limited2014
- Faupel and Daffern Ltd2021
- Genesis Investment Solutions Ltd2026
- H E Mayfield Enterprises Limited2015
- Horizon Park Holdings Ltd2026
- Huckle Building & Contractors Ltd2020
- JCT General Building Ltd2026
All property development companies in Sudbury · All trades in Sudbury · Property developers across the UK
Frequently asked questions
When are Delphi Developments Ltd's accounts due?
Delphi Developments Ltd's next accounts are due at Companies House by 10 May 2028 (in 574 days), covering the period to 31 August 2027.
When is Delphi Developments Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 August 2027, due by 9 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Delphi Developments Ltd still trading?
Delphi Developments 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 Delphi Developments Ltd do?
Delphi Developments Ltd is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202); Quantity surveying activities (SIC 74902).
How old is Delphi Developments Ltd?
Delphi Developments Ltd was incorporated on 10 August 2026, less than a year ago.
What is the penalty if Delphi Developments 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 Delphi Developments 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.