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

0.03 %
Low risk
Lowest riskHighest risk

Higher than 87 % of active companies in the United Kingdom. 0.2× the average annual insolvency rate (0.12 %).

Raises the risk

Employees3.1×3–8 · 0.36 % became insolvent
Current liabilities ÷ assets2.9×0.523499–0.961567 · 0.33 % became insolvent
Current ratio2.7×0.565361–1.20204 · 0.31 % became insolvent
Total assets (log)2.4×4.74546–5.45007 · 0.28 % became insolvent
Equity ratio2.4×0.00404851–0.289275 · 0.28 % became insolvent
Company age (years)2.3×≥ 22.502 · 0.27 % became insolvent

Lowers the risk

Accounts filed0.3×≥ 6 · 0.04 % became insolvent
Region0.6×N · 0.08 % became insolvent
Late filings0.8×0–1 · 0.09 % became insolvent
Accounts overdue0.8×0 · 0.09 % became insolvent

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 endPublishedTurnoverResultEquityTotal assetsCurrent liabilitiesCashEmployees
30 Sep 202515 May 2026– –£8,944£170k £161k–7
25 Sep 202415 Nov 2024– –£7,499£215k £208k–7
25 Sep 202315 Nov 2023– –£13k£211k £197k–7
25 Sep 202215 Nov 2022– –£2,893£184k £134k–7
25 Sep 202115 Jan 2022– –£2,744£173k £93k–7
30 Sep 202015 Jun 2021– –£2,026£141k £125k–7
30 Sep 201915 Jan 2020– –£9,121£105k £96k––

As published. Small companies often file a balance sheet only, so turnover and result can be missing.

Similar companies in London North

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.