- Companies
- Specialist contractors
- Thornton Heath
- LT-Lockworks Ltd
LT-Lockworks Ltd
- Company number
- 17409974
- Incorporated
- 19 Aug 2026
- Registered office
- 78A Melfort Road, Thornton Heath, CR7 7RN
- Nature of business
- Other specialised construction activities n.e.c.
LT-Lockworks Ltd is a newly incorporated private limited company registered in Thornton Heath, company number 17409974, one of 21 specialist construction companies in Thornton Heath. Its next accounts are due at Companies House on 19 May 2028, and its first CT600 is due at HMRC on 18 August 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 LT-Lockworks Ltd is registered
The registered office is in Thornton Heath (CR7), in the Croydon local authority area, London. Show CR7 7RN on a map.
Other trade companies in CR7
- Ib Air Conditioning LimitedPlumbers and heating engineers
- Gold Carpet Cleaning Services LtdCleaning companies
- Azad Auto LtdMechanics and garages
- Tota Steel LtdFinishing trades
- Survey Stream Property Services LtdFacilities management
- Saunders Mechanics LtdMechanics and garages
- SR Gas London LimitedPlumbers and heating engineers
- Prestige Auto Repair & Body Works LtdMechanics and garages
What happens if LT-Lockworks 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 19 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 May 2028 to 19 Jun 2028 | £150 |
| 1 to 3 months late | 20 Jun 2028 to 19 Aug 2028 | £375 |
| 3 to 6 months late | 20 Aug 2028 to 19 Nov 2028 | £750 |
| More than 6 months late | From 20 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17409974
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2026
- Registered office
- 78A Melfort Road, Thornton Heath, CR7 7RN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (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 Thornton Heath
Other active specialist construction companies registered in Thornton Heath.
- Lucore Construction Limited2026
- M.A Constructions & Services Ltd2023
- Mar-Dan Tiling Ltd2012
- Simmsfix Ltd2025
- Thorntonfm Ltd2026
- Urban Jungle Surveyors Ltd2023
- We Will Fix IT Ltd2025
- A&B Property Renovation Ltd2019
All specialist construction companies in Thornton Heath · All trades in Thornton Heath · Specialist contractors across the UK
Frequently asked questions
When are LT-Lockworks Ltd's accounts due?
LT-Lockworks Ltd's next accounts are due at Companies House by 19 May 2028 (in 585 days), covering the period to 31 August 2027.
When is LT-Lockworks 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 18 August 2027, due by 18 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is LT-Lockworks Ltd still trading?
LT-Lockworks 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 LT-Lockworks Ltd do?
LT-Lockworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is LT-Lockworks Ltd?
LT-Lockworks Ltd was incorporated on 19 August 2026, less than a year ago.
What is the penalty if LT-Lockworks 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 LT-Lockworks 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.