- Companies
- Civil engineering
- London
- KJ London Grinder Limited
KJ London Grinder Limited
- Company number
- 16022410
- Incorporated
- 16 Oct 20241 year trading
- Registered office
- 44 Kitchener Road, London, E17 4LL
- Nature of business
- Construction of railways and underground railways
KJ London Grinder Limited is a 1-year-old private limited company registered in London, company number 16022410, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 16 October 2026, and its first CT600 is due at HMRC on 15 October 2026.
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.
Is this your company?
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Where KJ London Grinder Limited is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 4LL on a map.
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What happens if KJ London Grinder 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Oct 2026 to 16 Nov 2026 | £150 |
| 1 to 3 months late | 17 Nov 2026 to 16 Jan 2027 | £375 |
| 3 to 6 months late | 17 Jan 2027 to 16 Apr 2027 | £750 |
| More than 6 months late | From 17 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2027 | 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
- 16022410
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2024 (1 year ago)
- Registered office
- 44 Kitchener Road, London, E17 4LL
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 October 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- KJT Project Management Ltd2020
- Kle-Ta Ltd2023
- Klever Consulting Limited2019
- Klic Partners Ltd2022
- KM Networks Ltd2025
- Knockatee Ltd2017
- Know How Logistics Ltd2016
- Knoz Solutions Ltd2026
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are KJ London Grinder Limited's accounts due?
KJ London Grinder Limited's next accounts are due at Companies House by 16 October 2026 (in 3 days), covering the period to 31 October 2025.
When is KJ London Grinder 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 October 2025, due by 15 October 2026, and one for the period to 31 October 2025, due by 31 October 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is KJ London Grinder Limited still trading?
KJ London Grinder 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 KJ London Grinder Limited do?
KJ London Grinder Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is KJ London Grinder Limited?
KJ London Grinder Limited was incorporated on 16 October 2024, 1 year ago.
What is the penalty if KJ London Grinder 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 KJ London Grinder 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.