- Companies
- Installers
- Barnet
- Lockfit London North Ltd
Lockfit London North Ltd
- Company number
- 15947987
- Incorporated
- 10 Sep 20242 years trading
- Registered office
- 10 Artesian Grove, Barnet, Hertfordshire, EN5 5HU
- Nature of business
- Other construction installation; Security systems service activities
Lockfit London North Ltd is a 2-year-old private limited company registered in Barnet, company number 15947987, one of 43 installation companies (insulation, lifts, shutters and similar) in Barnet. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Who runs and owns Lockfit London North Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** C*** | Director | Sep 2024 |
| A*** C*** | Secretary | Sep 2024 |
Person with significant control
Where Lockfit London North Ltd is registered
The registered office is in Barnet (EN5), in the Barnet local authority area, London. Show EN5 5HU on a map.
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Also registered at this address
1 other company uses the same registered office as Lockfit London North Ltd.
- Lockfit London West LtdInstallers
What happens if Lockfit London North 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15947987
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2024 (2 years ago)
- Registered office
- 10 Artesian Grove, Barnet, Hertfordshire, EN5 5HU
- Nature of business
- Other construction installation (SIC 43290)
Security systems service activities (SIC 80200) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 9 September 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 Barnet
Other active installation companies (insulation, lifts, shutters and similar) registered in Barnet.
- Lockfit London West Ltd2024
- Lotus Homes Developments Ltd2025
- Luxury Granite Ltd2023
- MJF Refit & Refurbishment Ltd2023
- Modified Property Ltd2025
- MQ Flooring and Carpentry Ltd2021
- NJK Brickwork Limited2002
- Oakwood Conservatories (London) Limited2005
All installation companies (insulation, lifts, shutters and similar) in Barnet · All trades in Barnet · Installers across the UK
Frequently asked questions
When are Lockfit London North Ltd's accounts due?
Lockfit London North Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Lockfit London North Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Lockfit London North Ltd still trading?
Lockfit London North 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 Lockfit London North Ltd do?
Lockfit London North Ltd is registered under Other construction installation (SIC 43290); Security systems service activities (SIC 80200).
How old is Lockfit London North Ltd?
Lockfit London North Ltd was incorporated on 10 September 2024, 2 years ago.
Who runs Lockfit London North Ltd?
Lockfit London North Ltd has 1 active director, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.
Who owns Lockfit London North Ltd?
One person or company has significant control of Lockfit London North Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Lockfit London North 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 Lockfit London North 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.