- Companies
- Machinery repair and installation
- London
- Nicolai Popov Avia Engineer Ltd
Nicolai Popov Avia Engineer Ltd
- Company number
- 15479423
- Incorporated
- 10 Feb 20242 years trading
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Repair and maintenance of aircraft and spacecraft
Nicolai Popov Avia Engineer Ltd is a 2-year-old private limited company registered in London, company number 15479423, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 28 February 2025, as filed at Companies House.
Where Nicolai Popov Avia Engineer Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Nicolai Popov Avia Engineer 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15479423
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2024 (2 years ago)
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 9 February 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Nicrotronic Ltd2022
- Nikao Coffee Services Ltd2021
- Nik’S Repairs Ltd2020
- No1 Commercial Fan Repair Ltd2025
- Nordex Equipment Solutions Ltd2026
- Norland Projects Limited2023
- Norrvane Ltd2026
- Norscot Aviation Limited2013
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Frequently asked questions
When are Nicolai Popov Avia Engineer Ltd's accounts due?
Nicolai Popov Avia Engineer Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Nicolai Popov Avia Engineer Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Nicolai Popov Avia Engineer Ltd still trading?
Nicolai Popov Avia Engineer 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 Nicolai Popov Avia Engineer Ltd do?
Nicolai Popov Avia Engineer Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is Nicolai Popov Avia Engineer Ltd?
Nicolai Popov Avia Engineer Ltd was incorporated on 10 February 2024, 2 years ago.
What is the penalty if Nicolai Popov Avia Engineer 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 Nicolai Popov Avia Engineer 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.