- Companies
- Finishing trades
- London
- NTK Maintenance Ltd
NTK Maintenance Ltd
- Company number
- 16904173
- Incorporated
- 11 Dec 2025
- Registered office
- 26 Rostrevor Avenue, London, N15 6LP
- Nature of business
- Other building completion and finishing
NTK Maintenance Ltd is a newly incorporated private limited company registered in London, company number 16904173, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 11 September 2027, and its first CT600 is due at HMRC on 10 December 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 NTK Maintenance Ltd is registered
The registered office is in London (N15), in the Haringey local authority area, London. Show N15 6LP on a map.
Other trade companies in N15
- Cleanport Services LtdCleaning companies
- Rozelle Cleaning LtdCleaning companies
- Hunt4Heating LtdPlumbers and heating engineers
- Clean Stitch LtdRepair services
- Watt Rite LtdElectricians
- Did-Fit LimitedPlasterers
- Arvin Cleaning Ltd LtdCleaning companies
- North London Building Control LimitedSpecialist contractors
What happens if NTK Maintenance 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 11 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Sep 2027 to 11 Oct 2027 | £150 |
| 1 to 3 months late | 12 Oct 2027 to 11 Dec 2027 | £375 |
| 3 to 6 months late | 12 Dec 2027 to 11 Mar 2028 | £750 |
| More than 6 months late | From 12 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16904173
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2025
- Registered office
- 26 Rostrevor Avenue, London, N15 6LP
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Nu Plan Ltd2022
- Nuh Contractors Ltd2024
- Nulux Living Ltd2022
- NV&B Construction Ltd2017
- NVL Construction Ltd2013
- Nze Contractors Ltd2014
- O & K Property Works Ltd2007
- O M & Sons Construction Ltd2021
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are NTK Maintenance Ltd's accounts due?
NTK Maintenance Ltd's next accounts are due at Companies House by 11 September 2027 (in 334 days), covering the period to 31 December 2026.
When is NTK Maintenance 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 10 December 2026, due by 10 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is NTK Maintenance Ltd still trading?
NTK Maintenance 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 NTK Maintenance Ltd do?
NTK Maintenance Ltd is registered under Other building completion and finishing (SIC 43390).
How old is NTK Maintenance Ltd?
NTK Maintenance Ltd was incorporated on 11 December 2025, less than a year ago.
What is the penalty if NTK Maintenance 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 NTK Maintenance 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.