- Companies
- Specialist contractors
- Barking
- Build 4 21ST Limited
Build 4 21ST Limited
- Company number
- 11366995
- Incorporated
- 17 May 20188 years trading
- Registered office
- 78 Keir Hardie Way, Barking, IG11 9NY
- Nature of business
- Other specialised construction activities n.e.c.
Build 4 21ST Limited is a 8-year-old private limited company registered in Barking, company number 11366995, one of 82 specialist construction companies in Barking. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £23K (+96.4%) on the year before, to £46K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £73K against £27K owed within a year: 2.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £46K | £73K | £27K | 2 | |
| 31 May 2024 | £24K | £31K | £8,598 | 2 | |
| 31 May 2023 | £22K | £41K | £20K | 1 | |
| 31 May 2022 | £18K | £20K | £3,698 | 2 | |
| 31 May 2021 | £27K | £32K | £5,876 | 2 | |
| 31 May 2020 | £18K | £20K | £4,405 | 1 | |
| 31 May 2019 | £15K | £16K | £4,091 |
Who runs and owns Build 4 21ST Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| Y*** C*** | Director | May 2018 |
Person with significant control
Where Build 4 21ST Limited is registered
The registered office is in Barking (IG11), in the Barking and Dagenham local authority area, London. Show IG11 9NY on a map.
Other trade companies in IG11
- Handikeep LimitedJoiners and carpenters
- Bright2Shine LtdCleaning companies
- Fage Adviser LtdSpecialist contractors
- Slouy LtdRoofers
- MMG Corp LimitedMotor traders
- M&K Autocare LtdMechanics and garages
- Z & L Metal & Vehicle Global Trading LtdMotor traders
- Es Automotives LtdMotor traders
What happens if Build 4 21ST Limited 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11366995
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 2018 (8 years ago)
- Registered office
- 78 Keir Hardie Way, Barking, IG11 9NY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 April 2026
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 Barking
Other active specialist construction companies registered in Barking.
- Chili 66 Limited2017
- City Granite Ltd2010
- Codrulet Ltd2023
- Cosro Group Limited2014
- Crystal Fixing Limited2017
- Custom Made Windows Ltd2018
- Cyrenus Limited2008
- Denyl’S Abseiling Limited2025
All specialist construction companies in Barking · All trades in Barking · Specialist contractors across the UK
Frequently asked questions
When are Build 4 21ST Limited's accounts due?
Build 4 21ST Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Build 4 21ST Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Build 4 21ST Limited still trading?
Build 4 21ST Limited 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 Build 4 21ST Limited do?
Build 4 21ST Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Build 4 21ST Limited?
Build 4 21ST Limited was incorporated on 17 May 2018, 8 years ago.
Who runs Build 4 21ST Limited?
Build 4 21ST Limited has 1 active director, the longest-serving appointed in May 2018. Their names and service addresses are on the Companies House register.
Who owns Build 4 21ST Limited?
One person or company has significant control of Build 4 21ST Limited: an individual (has significant influence or control).
What is the penalty if Build 4 21ST Limited 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 Build 4 21ST Limited 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.