- Companies
- Installers
- London
- Sherlock London Swims Ltd
Sherlock London Swims Ltd
- Company number
- 16410007
- Incorporated
- 25 Apr 20251 year trading
- Registered office
- 28 Cromer Villas Road, London, SW18 1PN
- Nature of business
- Other construction installation
Sherlock London Swims Ltd is a 1-year-old private limited company registered in London, company number 16410007, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 25 January 2027, and its first CT600 is due at HMRC on 24 April 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 Sherlock London Swims Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 1PN on a map.
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What happens if Sherlock London Swims 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 25 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Jan 2027 to 25 Feb 2027 | £150 |
| 1 to 3 months late | 26 Feb 2027 to 25 Apr 2027 | £375 |
| 3 to 6 months late | 26 Apr 2027 to 25 Jul 2027 | £750 |
| More than 6 months late | From 26 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16410007
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2025 (1 year ago)
- Registered office
- 28 Cromer Villas Road, London, SW18 1PN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 April 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.
- Shield International Contracting Ltd2022
- Shoor Ltd2023
- Shopfit Group Ltd2026
- Sifix Ltd2015
- Sig Mihaylov Ltd2019
- Signage Installation Services Ltd2021
- Signstar Solutions Limited2011
- Simonel Ltd2023
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Sherlock London Swims Ltd's accounts due?
Sherlock London Swims Ltd's next accounts are due at Companies House by 25 January 2027 (in 104 days), covering the period to 30 April 2026.
When is Sherlock London Swims 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 24 April 2026, due by 24 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sherlock London Swims Ltd still trading?
Sherlock London Swims 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 Sherlock London Swims Ltd do?
Sherlock London Swims Ltd is registered under Other construction installation (SIC 43290).
How old is Sherlock London Swims Ltd?
Sherlock London Swims Ltd was incorporated on 25 April 2025, 1 year ago.
What is the penalty if Sherlock London Swims 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 Sherlock London Swims 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.