N1BS Ltd
- Company number
- 16572056
- Incorporated
- 9 Jul 20251 year trading
- Registered office
- 109 Standard Road, Hounslow, TW4 7AY
- Nature of business
- Other specialised construction activities n.e.c.
N1BS Ltd is a 1-year-old private limited company registered in Hounslow, company number 16572056, one of 56 specialist construction companies in Hounslow. Its next accounts are due at Companies House on 9 April 2027, and its first CT600 is due at HMRC on 8 July 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 N1BS Ltd is registered
The registered office is in Hounslow (TW4), in the Hounslow local authority area, London. Show TW4 7AY on a map.
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What happens if N1BS 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 9 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Apr 2027 to 9 May 2027 | £150 |
| 1 to 3 months late | 10 May 2027 to 9 Jul 2027 | £375 |
| 3 to 6 months late | 10 Jul 2027 to 9 Oct 2027 | £750 |
| More than 6 months late | From 10 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16572056
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2025 (1 year ago)
- Registered office
- 109 Standard Road, Hounslow, TW4 7AY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 September 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Hounslow
Other active specialist construction companies registered in Hounslow.
- NCS Brickwork Developments Ltd2024
- Nevin Carpentry Services Limited2014
- Nexa VLD Limited2026
- P.W. Secure-IT Limited1995
- R & G Loft Conversions Ltd2015
- Ramari Ltd2019
- Salepoint Limited1981
- Samna Enterprises Limited2026
All specialist construction companies in Hounslow · All trades in Hounslow · Specialist contractors across the UK
Frequently asked questions
When are N1BS Ltd's accounts due?
N1BS Ltd's next accounts are due at Companies House by 9 April 2027 (in 179 days), covering the period to 31 July 2026.
When is N1BS 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 8 July 2026, due by 8 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is N1BS Ltd still trading?
N1BS Ltd is listed as active on the Companies House register (checked 12 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 N1BS Ltd do?
N1BS Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is N1BS Ltd?
N1BS Ltd was incorporated on 9 July 2025, 1 year ago.
What is the penalty if N1BS 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 N1BS Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.