- Companies
- Property developers
- Doncaster
- 421 Group Limited
421 Group Limited
- Company number
- 13417846
- Incorporated
- 24 May 20215 years trading
- Registered office
- 14 Dunelm Crescent, Moorends, Doncaster, DN8 4PT
- Nature of business
- Development of building projects; Other construction installation
421 Group Limited is a 5-year-old private limited company registered in Doncaster, company number 13417846, one of 323 property development companies in Doncaster. 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 £5 (+0.9%) on the year before, to £576.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £5,992 against £8,850 owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £576 | £220 | £5,992 | £8,850 | 1 |
| 31 May 2024 | £571 | £1,205 | £8,785 | £12K | 1 |
| 31 May 2023 | £541 | £2,925 | £4,717 | £6,752 | 1 |
| 31 May 2022 | £241 | £681 | £3,023 | 1 |
Where 421 Group Limited is registered
The registered office is in Doncaster (DN8), in the Doncaster local authority area, Yorkshire and The Humber. Show DN8 4PT on a map.
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What happens if 421 Group 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
- 13417846
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2021 (5 years ago)
- Registered office
- 14 Dunelm Crescent, Moorends, Doncaster, DN8 4PT
- Nature of business
- Development of building projects (SIC 41100)
Other construction installation (SIC 43290) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 20 May 2026
- Previous names
- Ground Command Limited (until 27 May 2021)
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 Doncaster
Other active property development companies registered in Doncaster.
- A Gollick Brickwork Ltd2025
- Abernant Homes Limited2001
- Access Quality Scaffolding Services Limited2011
- Addu's Limited2021
- Airmyn Developments Limited2026
- Aj Homes and Designs Ltd2026
- Align Developments Limited2019
- All Pro Fix Ltd2020
All property development companies in Doncaster · All trades in Doncaster · Property developers across the UK
Frequently asked questions
When are 421 Group Limited's accounts due?
421 Group 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 421 Group 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 421 Group Limited still trading?
421 Group 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 421 Group Limited do?
421 Group Limited is registered under Development of building projects (SIC 41100); Other construction installation (SIC 43290).
How old is 421 Group Limited?
421 Group Limited was incorporated on 24 May 2021, 5 years ago.
What is the penalty if 421 Group 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 421 Group 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.