- Companies
- Property developers
- London
- Defcon Projects Ltd
Defcon Projects Ltd
- Company number
- 16781956
- Incorporated
- 13 Oct 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Development of building projects; Buying and selling of own real estate; Medical nursing home activities; Other human health activities
Defcon Projects Ltd is a newly incorporated private limited company registered in London, company number 16781956, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 13 July 2027, and its first CT600 is due at HMRC on 12 October 2027.
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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Who runs and owns Defcon Projects Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** O*** | Director | Oct 2025 |
| S*** O*** | Secretary | Oct 2025 |
Person with significant control
Where Defcon Projects Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
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Shared registered office
2,436 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 Defcon Projects 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 13 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jul 2027 to 13 Aug 2027 | £150 |
| 1 to 3 months late | 14 Aug 2027 to 13 Oct 2027 | £375 |
| 3 to 6 months late | 14 Oct 2027 to 13 Jan 2028 | £750 |
| More than 6 months late | From 14 Jan 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
- 16781956
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Medical nursing home activities (SIC 86102)
Other human health activities (SIC 86900) - Year end
- 31 October (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 London
Other active property development companies registered in London.
- Defford Property Limited2025
- Define Construction Ltd2013
- Degoshiyo Developers Limited2013
- Dehmen Construction Limited2018
- Dek Woodville Limited2015
- Dek2 Ltd2013
- Dekoss Limited2011
- Dekra Holdings Ltd2005
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Defcon Projects Ltd's accounts due?
Defcon Projects Ltd's next accounts are due at Companies House by 13 July 2027 (in 274 days), covering the period to 31 October 2026.
When is Defcon Projects 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 12 October 2026, due by 12 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Defcon Projects Ltd still trading?
Defcon Projects 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 Defcon Projects Ltd do?
Defcon Projects Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Medical nursing home activities (SIC 86102); Other human health activities (SIC 86900).
How old is Defcon Projects Ltd?
Defcon Projects Ltd was incorporated on 13 October 2025, less than a year ago.
Who runs Defcon Projects Ltd?
Defcon Projects Ltd has 1 active director, the longest-serving appointed in Oct 2025. Their names and service addresses are on the Companies House register.
Who owns Defcon Projects Ltd?
One person or company has significant control of Defcon Projects Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Defcon Projects 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 Defcon Projects 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.