- Companies
- Property developers
- London
- Idm Developments London Ltd
Idm Developments London Ltd
- Company number
- 06428959
- Incorporated
- 16 Nov 200718 years trading
- Registered office
- Office B West Gainsborough Studios,, 1 Poole Street, London, N1 5EA
- Nature of business
- Development of building projects
Idm Developments London Ltd is a 18-year-old private limited company registered in London, company number 06428959, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £1.1M (-673.6%) on the year before, to -£952K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £485K against £1.4M owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£952K | £60K | £485K | £1.4M | 1 |
| 31 Mar 2024 | £166K | £22K | £4.8M | £4.6M | 1 |
| 31 Mar 2023 | £252K | £26K | £4M | £3.7M | 2 |
| 31 Mar 2022 | £279K | £11K | £1.1M | £839K | 2 |
Where Idm Developments London Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 5EA on a map.
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Also registered at this address
5 other companies use the same registered office as Idm Developments London Ltd.
- Idm Building Supplies LtdProperty developers
- Idm Investments London LtdProperty developers
- Idm South London LtdProperty developers
- Spiderplow (UK) LtdProperty developers
- Treadstone London LtdProperty developers
What happens if Idm Developments London 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06428959
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2007 (18 years ago)
- Registered office
- Office B West Gainsborough Studios,, 1 Poole Street, London, N1 5EA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 November 2025
- Charges (mortgages)
- 1 outstanding of 12 registered
- Previous names
- Opam Ii Limited (until 17 Feb 2011)
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.
- Idm Investments London Ltd2003
- Idm Land Ltd.1999
- Idm North London Ltd2013
- Idm Properties London Ltd2012
- Idm South London Ltd2014
- Idm West London Ltd2012
- Ies UK 2.0 Ltd2024
- Ifyachi Ltd2023
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Idm Developments London Ltd's accounts due?
Idm Developments London Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Idm Developments London Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Idm Developments London Ltd still trading?
Idm Developments London 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 Idm Developments London Ltd do?
Idm Developments London Ltd is registered under Development of building projects (SIC 41100).
How old is Idm Developments London Ltd?
Idm Developments London Ltd was incorporated on 16 November 2007, 18 years ago.
What is the penalty if Idm Developments London 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 Idm Developments London 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.