Annual accounts
Micro Entity accounts
25/06/2027Filing deadline
Made up to 30/09/2025Due 25/06/2027
- Next accounts made up to
- 25/09/2026
- Last accounts made up to
- 30/09/2025
N21 BUILDING LTD
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- 109 Wades Hill, Winchmore Hill, London N21 1AP
- Classification (SIC)
- Construction of other civil engineering projects n.e.c. (42.99 - SIC 2007)
- Accounts type
- Micro Entity
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 05/07/2025View PDF (4 pages)
Confirmation statement made on 2025-06-23 with updates
- 05/07/2025View PDF (2 pages)
Notification of Sharon Cassidy as a person with significant control on 2024-10-31
- 05/07/2025View PDF (1 pages)
Cessation of Paul Charles Koppi as a person with significant control on 2024-10-31
- 18/11/2024View PDF (3 pages)
Micro company accounts made up to 2024-09-25
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
07/07/2027Filing deadline
Last statement 23/06/2026Due 07/07/2027
- Next statement date
- 23/06/2027
- Last statement dated
- 23/06/2026
Financial performance
The latest figures N21 BUILDING LTD filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£8.94K2025
19.27%vs 20242024: £7.50K
Total Assets
£169.57K2025
-20.97%vs 20242024: £214.58K
Total Liabilities
£160.63K2025
-22.43%vs 20242024: £207.08K
Employees
72025
-1vs 20242024: 8
Of the 3 measures with an earlier filing to compare against, 1 rose and 2 fell. Total liabilities moved furthest, down 22.43% on 2024. See the full financial analysis for N21 BUILDING LTD.
The full financial record
Four ways through N21 BUILDING LTD's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · -16.5% a year (CAGR)Three-year trend, 2023–2025Every measure end to end across 2023, 2024 and 2025, with the compound rate behind each one.See what moved4 chartsCharts by indicator4 filed indicators plotted year by year, 2021–2025.Plot the figuresNothing estimatedRatios from the filed figures2 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 5 yearsEvery figure by yearAll 5 measures Okredo tracks across 5 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 7 | -1 |
| 2024 | 8 | +1 |
| 2023 | 7 | 0 |
| 2022 | 7 | 0 |
| 2021 | 7 | – |
Reported employee count was unchanged at 7 between 2021 and 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
3Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 23/06/2003–Present | 0 | |
| Director | 08/08/2003–Present | 0 | |
| Secretary | 23/06/2003–Present | 0 |
Persons with significant control
4Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–31/10/2024 | 0 | |
| 06/04/2016–Present | 0 | |
| 31/10/2024–Present | 0 | |
| 06/04/2016–Present | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 8
- Since 29/11/2022
- Last 12 months
- 0
- -4 vs the year before
- Most recent filing
- 05/07/2025
- 1 year 2 months ago
Filing timeline
- 05/07/2025View PDF (4 pages)
Confirmation statement made on 2025-06-23 with updates
- 05/07/2025View PDF (2 pages)
Notification of Sharon Cassidy as a person with significant control on 2024-10-31
- 05/07/2025View PDF (1 pages)
Cessation of Paul Charles Koppi as a person with significant control on 2024-10-31
- 18/11/2024View PDF (3 pages)
Micro company accounts made up to 2024-09-25
- 16/08/2024View PDF (3 pages)
Confirmation statement made on 2024-06-23 with no updates
- 27/11/2023View PDF (3 pages)
Micro company accounts made up to 2023-09-25
- 31/07/2023View PDF (3 pages)
Confirmation statement made on 2023-06-23 with no updates
- 29/11/2022View PDF (3 pages)
Micro company accounts made up to 2022-09-25
See when the next accounts and confirmation statement are due
Similar companies
233 UK companies are similar to N21 BUILDING LTD, sharing the same company status (Active), the same industry sector and activity group (Construction of other civil engineering projects n.e.c.) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
DAVID CIVIL ENGINEERING LIMITED
ActiveBattrams Farm, Currywoods Way, Curry Rivel, Langport, Somerset TA10 0NP
- Activity
- Construction of roads and motorways
- Company no.
- 05700993
- Incorporated
- 07/02/2006
- Employees
- 5
GREENS INSTALLATIONS LTD
ActivePeine House, Hind Hill Street, Heywood, Lancashire OL10 1JZ
- Activity
- Construction of other civil engineering projects n.e.c.
- Company no.
- 08915368
- Incorporated
- 27/02/2014
- Employees
- 7
RED7 INSHORE DIVING LTD
ActiveOld Hall Farm Elsing Road, Elsing, Dereham, Norfolk NR20 3DU
- Activity
- Construction of water projects
- Company no.
- 09652956
- Incorporated
- 23/06/2015
- Employees
- 6
NORTHERNHV LTD
ActiveUnit 3 Enterprise Court, Queens Meadow Business Park, Hartlepool, Co. Durham TS25 2FE
- Activity
- Construction of utility projects for electricity and telecommunications
- Company no.
- 13601093
- Incorporated
- 03/09/2021
- Employees
- 7
CLARIDGE & HALL BROS., LIMITED
Active5 Imperial Court, Laporte Way, Luton, Bedfordshire LU4 8FE
- Activity
- Construction of other civil engineering projects n.e.c.
- Company no.
- 00342598
- Incorporated
- 18/07/1938
- Employees
- 7
About N21 BUILDING LTD
A short description of the company, written from its Companies House record.
N21 BUILDING LTD is a private limited company registered in the United Kingdom, based in 109 Wades Hill, Winchmore Hill, London N21 1AP. Companies House classifies its business as Construction of other civil engineering projects n.e.c.. It has been on the register for 23 years 3 months.
The register currently records it as active. Its 2025 accounts report net assets of £8.94K and 7 employees.
N21 BUILDING LTD: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records N21 BUILDING LTD under one registered business activity: Construction of other civil engineering projects n.e.c. (42.99 - SIC 2007).
N21 BUILDING LTD is recorded as active on the Companies House register, and has been on it since 23/06/2003.
The most recent accounts Okredo holds cover 2025 and report net assets of £8.94K, total assets of £169.57K and total liabilities of £160.63K.
The most recent document on the record is dated 05/07/2025: Confirmation statement made on 2025-06-23 with updates, 1 year 2 months ago.
On the current registry record, accounts are due by 25/06/2027 and the next confirmation statement is due by 07/07/2027.
Companies House lists 3 officers and 4 people with significant control (3 current).