- Companies
- Property developers
- Ipswich
- Mallaby Investments Limited
Mallaby Investments Limited
- Company number
- 16925104
- Incorporated
- 22 Dec 2025
- Registered office
- Fitzroy House, Crown Street, Ipswich, Suffolk, IP1 3LG
- Nature of business
- Development of building projects
Mallaby Investments Limited is a newly incorporated private limited company registered in Ipswich, company number 16925104, one of 286 property development companies in Ipswich. Its next accounts are due at Companies House on 22 September 2027, and its first CT600 is due at HMRC on 21 December 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 Mallaby Investments Limited is registered
The registered office is in Ipswich (IP1), in the Ipswich local authority area, East of England. Show IP1 3LG on a map.
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- Affordable Road Planings LimitedCivil engineering
Shared registered office
37 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 Mallaby Investments 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 22 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Sep 2027 to 22 Oct 2027 | £150 |
| 1 to 3 months late | 23 Oct 2027 to 22 Dec 2027 | £375 |
| 3 to 6 months late | 23 Dec 2027 to 22 Mar 2028 | £750 |
| More than 6 months late | From 23 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16925104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2025
- Registered office
- Fitzroy House, Crown Street, Ipswich, Suffolk, IP1 3LG
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 December (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 Ipswich
Other active property development companies registered in Ipswich.
- Mantec Innovations Limited2015
- Maples Developments Limited2004
- Mar Casa (Imperial) Limited2025
- Matisa Woodbridge Ltd2016
- McNamara Developments Limited2016
- Melia Rowe Developments Ltd2022
- Merchant Projects (Ipswich) Ltd2007
- Merribrooks Property Developments Limited2023
All property development companies in Ipswich · All trades in Ipswich · Property developers across the UK
Frequently asked questions
When are Mallaby Investments Limited's accounts due?
Mallaby Investments Limited's next accounts are due at Companies House by 22 September 2027 (in 344 days), covering the period to 31 December 2026.
When is Mallaby Investments Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 21 December 2026, due by 21 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mallaby Investments Limited still trading?
Mallaby Investments Limited 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 Mallaby Investments Limited do?
Mallaby Investments Limited is registered under Development of building projects (SIC 41100).
How old is Mallaby Investments Limited?
Mallaby Investments Limited was incorporated on 22 December 2025, less than a year ago.
What is the penalty if Mallaby Investments 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 Mallaby Investments Limited 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.