- Companies
- Installers
- London
- Hammersmith Locksmiths Ltd
Hammersmith Locksmiths Ltd
- Company number
- 16581348
- Incorporated
- 14 Jul 20251 year trading
- Registered office
- 69 Prothero Road, London, SW6 7LY
- Nature of business
- Other construction installation
Hammersmith Locksmiths Ltd is a 1-year-old private limited company registered in London, company number 16581348, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 14 April 2027, and its first CT600 is due at HMRC on 13 July 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 Hammersmith Locksmiths Ltd is registered
The registered office is in London (SW6), in the Hammersmith and Fulham local authority area, London. Show SW6 7LY on a map.
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What happens if Hammersmith Locksmiths 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 14 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Apr 2027 to 14 May 2027 | £150 |
| 1 to 3 months late | 15 May 2027 to 14 Jul 2027 | £375 |
| 3 to 6 months late | 15 Jul 2027 to 14 Oct 2027 | £750 |
| More than 6 months late | From 15 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16581348
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2025 (1 year ago)
- Registered office
- 69 Prothero Road, London, SW6 7LY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
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All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Hammersmith Locksmiths Ltd's accounts due?
Hammersmith Locksmiths Ltd's next accounts are due at Companies House by 14 April 2027 (in 183 days), covering the period to 31 July 2026.
When is Hammersmith Locksmiths 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 13 July 2026, due by 13 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hammersmith Locksmiths Ltd still trading?
Hammersmith Locksmiths Ltd 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 Hammersmith Locksmiths Ltd do?
Hammersmith Locksmiths Ltd is registered under Other construction installation (SIC 43290).
How old is Hammersmith Locksmiths Ltd?
Hammersmith Locksmiths Ltd was incorporated on 14 July 2025, 1 year ago.
What is the penalty if Hammersmith Locksmiths 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 Hammersmith Locksmiths Ltd 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.