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- Carshalton
- Sidm Construction Ltd
Company profile · Property developers
Sidm Construction Ltd
Sidm Construction Ltd is a newly incorporated private limited company registered in Carshalton, company number 16900477, one of 38 property development companies in Carshalton. Its next accounts are due at Companies House on 9 September 2027, and its first CT600 is due at HMRC on 8 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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Who runs and owns Sidm Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** M*** | Director | Dec 2025 |
Person with significant control
Where Sidm Construction Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 1NL on a map.
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- Perthy Properties (Greenhills) LimitedProperty developers
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What happens if Sidm Construction 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 9 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Sep 2027 to 9 Oct 2027 | £150 |
| 1 to 3 months late | 10 Oct 2027 to 9 Dec 2027 | £375 |
| 3 to 6 months late | 10 Dec 2027 to 9 Mar 2028 | £750 |
| More than 6 months late | From 10 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
- 16900477
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2025
- Registered office
- 3 Thornton Road, Carshalton, SM5 1NL
- Nature of business
- Development of building projects (SIC 41100)
Other specialised construction activities n.e.c. (SIC 43999) - 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 Carshalton
Other active property development companies registered in Carshalton.
- Skewback Ltd2019
- T.H.E Developments Limited2025
- The Home Makeover Shop Limited2025
- TLW Construction Ltd2017
- Touchstone (Surrey) Ltd2019
- A & A Jet Company Limited2010
- Advance Blue Flame Ltd2018
- Alir Properties Ltd2023
All property development companies in Carshalton · All trades in Carshalton · Property developers across the UK
Frequently asked questions
When are Sidm Construction Ltd's accounts due?
Sidm Construction Ltd's next accounts are due at Companies House by 9 September 2027 (in 332 days), covering the period to 31 December 2026.
When is Sidm Construction 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 8 December 2026, due by 8 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 Sidm Construction Ltd still trading?
Sidm Construction 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 Sidm Construction Ltd do?
Sidm Construction Ltd is registered under Development of building projects (SIC 41100); Other specialised construction activities n.e.c. (SIC 43999).
How old is Sidm Construction Ltd?
Sidm Construction Ltd was incorporated on 9 December 2025, less than a year ago.
Who runs Sidm Construction Ltd?
Sidm Construction Ltd has 1 active director, the longest-serving appointed in Dec 2025. Their names and service addresses are on the Companies House register.
Who owns Sidm Construction Ltd?
One person or company has significant control of Sidm Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Sidm Construction 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 Sidm Construction Ltd on Companies House for filed documents, officers and the full history.
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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.