- Companies
- Property developers
- Canterbury
- Demonx Ltd
Demonx Ltd
- Company number
- 16578532
- Incorporated
- 13 Jul 20251 year trading
- Registered office
- 162 Wincheap, Canterbury, CT1 3RY
- Nature of business
- Development of building projects
Demonx Ltd is a 1-year-old private limited company registered in Canterbury, company number 16578532, one of 182 property development companies in Canterbury. Its next accounts are due at Companies House on 13 April 2027, and its first CT600 is due at HMRC on 12 July 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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Where Demonx Ltd is registered
The registered office is in Canterbury (CT1), in the Canterbury local authority area, South East. Show CT1 3RY on a map.
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What happens if Demonx 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Apr 2027 to 13 May 2027 | £150 |
| 1 to 3 months late | 14 May 2027 to 13 Jul 2027 | £375 |
| 3 to 6 months late | 14 Jul 2027 to 13 Oct 2027 | £750 |
| More than 6 months late | From 14 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16578532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2025 (1 year ago)
- Registered office
- 162 Wincheap, Canterbury, CT1 3RY
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 November 2025
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 Canterbury
Other active property development companies registered in Canterbury.
- DS Partners Kent Ltd2026
- Eden Real Estate Group Limited2020
- Ekrb Developments Limited2018
- Ems-Build Ltd2020
- Envida Homes Ltd2022
- Environ Design (Sturry) Limited2009
- F W Mansfield & Son Limited2022
- Fresh Voice Projects Ltd.2017
All property development companies in Canterbury · All trades in Canterbury · Property developers across the UK
Frequently asked questions
When are Demonx Ltd's accounts due?
Demonx Ltd's next accounts are due at Companies House by 13 April 2027 (in 183 days), covering the period to 31 July 2026.
When is Demonx 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 July 2026, due by 12 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Demonx Ltd still trading?
Demonx 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 Demonx Ltd do?
Demonx Ltd is registered under Development of building projects (SIC 41100).
How old is Demonx Ltd?
Demonx Ltd was incorporated on 13 July 2025, 1 year ago.
What is the penalty if Demonx 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 Demonx 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.