Na1 Ltd
- Company number
- 15866117
- Incorporated
- 30 Jul 20242 years trading
- Registered office
- 15 Well Walk, London, NW3 1BY
- Nature of business
- Development of building projects
Na1 Ltd is a 2-year-old private limited company registered in London, company number 15866117, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 31 December 2025, as filed at Companies House.
Where Na1 Ltd is registered
The registered office is in London (NW3), in the Camden local authority area, London. Show NW3 1BY on a map.
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Also registered at this address
1 other company uses the same registered office as Na1 Ltd.
- 15 Well Walk LimitedCleaning companies
What happens if Na1 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 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
- 15866117
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 July 2024 (2 years ago)
- Registered office
- 15 Well Walk, London, NW3 1BY
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 29 July 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Naba Property Ltd2023
- Nabeel Construction Ltd2019
- Nabhaan Enterprises Limited2021
- Nabiganj Development Company Ltd2017
- Nac Global Limited2015
- Nadas Construction Limited2021
- Nako Modular Ltd2023
- Nandi Securities Limited2021
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Na1 Ltd's accounts due?
Na1 Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Na1 Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Na1 Ltd still trading?
Na1 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 Na1 Ltd do?
Na1 Ltd is registered under Development of building projects (SIC 41100).
How old is Na1 Ltd?
Na1 Ltd was incorporated on 30 July 2024, 2 years ago.
What is the penalty if Na1 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 Na1 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.