- Companies
- Property developers
- London
- 123 Ideas Limited
123 Ideas Limited
- Company number
- 15513408
- Incorporated
- 22 Feb 20242 years trading
- Registered office
- 129 Mile End Road, London, E1 4BG
- Nature of business
- Development of building projects; Other building completion and finishing; Management of real estate on a fee or contract basis
123 Ideas Limited is a 2-year-old private limited company registered in London, company number 15513408, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where 123 Ideas Limited is registered
The registered office is in London (E1), in the Tower Hamlets local authority area, London. Show E1 4BG on a map.
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Also registered at this address
3 other companies use the same registered office as 123 Ideas Limited.
- Binaar LtdProperty developers
- Evas Interiors LimitedRepair services
- HMT Retail LtdInstallers
What happens if 123 Ideas 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15513408
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2024 (2 years ago)
- Registered office
- 129 Mile End Road, London, E1 4BG
- Nature of business
- Development of building projects (SIC 41100)
Other building completion and finishing (SIC 43390)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 7 August 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 London
Other active property development companies registered in London.
- 123-125 Merton Road Development Limited2019
- 127 Cwmgarw Road Ltd2026
- 128 SHR Ltd2021
- 13 Holland Park Limited2015
- 130 Roehampton Vale Ltd2026
- 139 Freehold Limited2026
- 13H Ltd2019
- 14 Barkston Gardens Ltd2024
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are 123 Ideas Limited's accounts due?
123 Ideas Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is 123 Ideas Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is 123 Ideas Limited still trading?
123 Ideas Limited is listed as active on the Companies House register (checked 13 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 123 Ideas Limited do?
123 Ideas Limited is registered under Development of building projects (SIC 41100); Other building completion and finishing (SIC 43390); Management of real estate on a fee or contract basis (SIC 68320).
How old is 123 Ideas Limited?
123 Ideas Limited was incorporated on 22 February 2024, 2 years ago.
What is the penalty if 123 Ideas 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 123 Ideas Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.