N21 BUILDING LTD
Company number 04808124 · Active
N21 BUILDING LTD is a private limited company registered in LONDON, United Kingdom, incorporated on 23 Jun 2003. Its registered activity is construction of other civil engineering projects n.e.c.. Its latest published accounts for the period ending 30 Sep 2025 show equity of £8,944, total assets of £170k. It has filed 7 sets of accounts. Our model estimates a 0.03 % probability that it becomes insolvent within 12 months, 0.2 times the average for active companies (low risk).
Insolvency risk, next 12 months
Higher than 87 % of active companies in the United Kingdom. 0.2× the average annual insolvency rate (0.12 %).
Raises the risk
Lowers the risk
Each factor compares companies in the same group (for example the same age band) with the average. The score is a statistical estimate from public data (model AUC 0.99, trained 8 Nov 2026), not a credit rating. How it works.
Company details
- Company number
- 04808124 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 23 Jun 2003 (23 years)
- Registered address
- N21 1AP LONDON
- Postcode area
- London North
- Activity
- 42990 Construction of other civil engineering projects n.e.c.
- Industry
- Civil engineering
- Accounts overdue
- No
Insolvency and register events
No insolvency or liquidation events on record.
Annual accounts GBP
| Period end | Published | Turnover | Result | Equity | Total assets | Current liabilities | Cash | Employees |
|---|---|---|---|---|---|---|---|---|
| 30 Sep 2025 | 15 May 2026 | – | – | £8,944 | £170k | £161k | – | 7 |
| 25 Sep 2024 | 15 Nov 2024 | – | – | £7,499 | £215k | £208k | – | 7 |
| 25 Sep 2023 | 15 Nov 2023 | – | – | £13k | £211k | £197k | – | 7 |
| 25 Sep 2022 | 15 Nov 2022 | – | – | £2,893 | £184k | £134k | – | 7 |
| 25 Sep 2021 | 15 Jan 2022 | – | – | £2,744 | £173k | £93k | – | 7 |
| 30 Sep 2020 | 15 Jun 2021 | – | – | £2,026 | £141k | £125k | – | 7 |
| 30 Sep 2019 | 15 Jan 2020 | – | – | £9,121 | £105k | £96k | – | – |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about N21 BUILDING LTD
What is the company number of N21 BUILDING LTD?
N21 BUILDING LTD is registered under company number 04808124 in the official register of United Kingdom. View it at the official register.
Is N21 BUILDING LTD still active?
Yes. N21 BUILDING LTD is registered as active (status: Active).
Has N21 BUILDING LTD gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for N21 BUILDING LTD in the official data.
How likely is N21 BUILDING LTD to become insolvent?
Our model estimates a 0.03 % probability that N21 BUILDING LTD becomes insolvent within the next 12 months (low risk). That is higher than 87 % of active companies in the United Kingdom.
When was N21 BUILDING LTD founded?
N21 BUILDING LTD was incorporated on 23 Jun 2003.
Where is N21 BUILDING LTD registered?
N21 BUILDING LTD's registered address is in N21 1AP LONDON (London North), United Kingdom.
What do the latest accounts of N21 BUILDING LTD show?
The latest published accounts (period ending 30 Sep 2025) show equity of £8,944, total assets of £170k, 7 employees.
Data: Companies House – Free Company Data Product, Accounts Data Product, Public Data API (Contains public sector information licensed under the Open Government Licence v3.0.). Last updated 9 Nov 2026.