- Companies
- Specialist contractors
- London
- South East London Locksmith Limited
South East London Locksmith Limited
- Company number
- 17463567
- Incorporated
- 16 Sep 2026
- Registered office
- 32 Mirror Path, London, Greater London, SE9 4NY
- Nature of business
- Other specialised construction activities n.e.c.; Security systems service activities; Other service activities n.e.c.
South East London Locksmith Limited is a newly incorporated private limited company registered in London, company number 17463567, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 16 June 2028, and its first CT600 is due at HMRC on 15 September 2028.
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 South East London Locksmith Limited is registered
The registered office is in London (SE9), in the Lewisham local authority area, London. Show SE9 4NY on a map.
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What happens if South East London Locksmith 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 16 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Jun 2028 to 16 Jul 2028 | £150 |
| 1 to 3 months late | 17 Jul 2028 to 16 Sep 2028 | £375 |
| 3 to 6 months late | 17 Sep 2028 to 16 Dec 2028 | £750 |
| More than 6 months late | From 17 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17463567
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 September 2026
- Registered office
- 32 Mirror Path, London, Greater London, SE9 4NY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Security systems service activities (SIC 80200)
Other service activities n.e.c. (SIC 96090) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Southwarklambethservices Ltd2026
- Spancilhill Limited2014
- Spark Electric and Services Ltd2021
- Sparkies Renewables Ltd2024
- Spartan Lion Ltd2015
- Spco Ltd2016
- SPD London Ltd2008
- Specialist Ceramics Ltd2012
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are South East London Locksmith Limited's accounts due?
South East London Locksmith Limited's next accounts are due at Companies House by 16 June 2028 (in 612 days), covering the period to 30 September 2027.
When is South East London Locksmith 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 15 September 2027, due by 15 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is South East London Locksmith Limited still trading?
South East London Locksmith 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 South East London Locksmith Limited do?
South East London Locksmith Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Security systems service activities (SIC 80200); Other service activities n.e.c. (SIC 96090).
How old is South East London Locksmith Limited?
South East London Locksmith Limited was incorporated on 16 September 2026, less than a year ago.
What is the penalty if South East London Locksmith 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 South East London Locksmith 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.