- Companies
- Installers
- London
- Structodesign Ltd
Structodesign Ltd
- Company number
- 16280424
- Incorporated
- 27 Feb 20251 year trading
- Registered office
- 40A Windsor Close, 33 Punam Apartaments, London, HA6 1FD
- Nature of business
- Other construction installation
Structodesign Ltd is a 1-year-old private limited company registered in London, company number 16280424, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House.
Where Structodesign Ltd is registered
The registered office is in London (HA6), in the Hillingdon local authority area, London. Show HA6 1FD on a map.
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What happens if Structodesign 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 16280424
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 February 2025 (1 year ago)
- Registered office
- 40A Windsor Close, 33 Punam Apartaments, London, HA6 1FD
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 26 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
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- Studio Eleven Interiors Limited2016
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- Style Flooring Ltd2021
- Suazacabling Ltd2025
- Sullivan Thermal Services Ltd2019
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Frequently asked questions
When are Structodesign Ltd's accounts due?
Structodesign Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Structodesign Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Structodesign Ltd still trading?
Structodesign 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 Structodesign Ltd do?
Structodesign Ltd is registered under Other construction installation (SIC 43290).
How old is Structodesign Ltd?
Structodesign Ltd was incorporated on 27 February 2025, 1 year ago.
What is the penalty if Structodesign 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 Structodesign 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.