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- Property developers
- Altrincham
- 21 Build Limited
Company profile · Property developers
21 Build Limited
21 Build Limited is a newly incorporated private limited company registered in Altrincham, company number 17446562, one of 209 property development companies in Altrincham. Its next accounts are due at Companies House on 8 June 2028, and its first CT600 is due at HMRC on 7 September 2028.
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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Who runs and owns 21 Build Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** P*** | Director | Sep 2026 |
Person with significant control
Where 21 Build Limited is registered
The registered office is in Altrincham (WA14), in the Trafford local authority area, North West. Show WA14 1DW on a map.
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Also registered at this address
1 other company uses the same registered office as 21 Build Limited.
- 21 Living LimitedProperty developers
What happens if 21 Build 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 8 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jun 2028 to 8 Jul 2028 | £150 |
| 1 to 3 months late | 9 Jul 2028 to 8 Sep 2028 | £375 |
| 3 to 6 months late | 9 Sep 2028 to 8 Dec 2028 | £750 |
| More than 6 months late | From 9 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17446562
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2026
- Registered office
- 10A Goose Green, Altrincham, WA14 1DW
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Altrincham
Other active property development companies registered in Altrincham.
- 21 Living Limited2021
- 218 Hale Road Limited2020
- 3C Home Renovations Ltd2018
- Abc Construction Manchester Ltd2019
- Adelphi Street Ltd2014
- Adlington Road Limited2024
- Adm Property Services Limited2017
- Aenigma Solutions Ltd2022
All property development companies in Altrincham · All trades in Altrincham · Property developers across the UK
Frequently asked questions
When are 21 Build Limited's accounts due?
21 Build Limited's next accounts are due at Companies House by 8 June 2028 (in 605 days), covering the period to 30 September 2027.
When is 21 Build Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 September 2027, due by 7 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is 21 Build Limited still trading?
21 Build 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 21 Build Limited do?
21 Build Limited is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is 21 Build Limited?
21 Build Limited was incorporated on 8 September 2026, less than a year ago.
Who runs 21 Build Limited?
21 Build Limited has 1 active director, the longest-serving appointed in Sep 2026. Their names and service addresses are on the Companies House register.
Who owns 21 Build Limited?
One person or company has significant control of 21 Build Limited: 21 Investment Group Ltd (owns 75% or more of the shares).
What is the penalty if 21 Build 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 21 Build 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.