- Company number
- 13722762
- Incorporated
- 3 Nov 20214 years trading
- Registered office
- 3 Wayside Gardens, Dagenham, RM10 8QH
- Nature of business
- Construction of commercial buildings
Dimi 21 Limited is a 4-year-old private limited company registered in Dagenham, company number 13722762, one of 681 building contractors in Dagenham. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £101 (-100%) on the year before, to £0.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 1 employee on average, down from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £0 | £0 | £0 | 1 | |
| 30 Nov 2024 | £101 | 2 | |||
| 30 Nov 2023 | £101 | 3 | |||
| 30 Nov 2022 | £101 | 1 |
Where Dimi 21 Limited is registered
The registered office is in Dagenham (RM10), in the Barking and Dagenham local authority area, London. Show RM10 8QH on a map.
Other trade companies in RM10
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- K & D Drylining LtdProperty developers
- Dagenham Plumbers LtdPlumbers and heating engineers
- MK25 Build LtdBuilders
- Motorhub District LtdMotor traders
- Ek Drywall LtdBuilders
- Gmi&Fvi Construction LtdCivil engineering
- Jish LtdBuilders
Also registered at this address
1 other company uses the same registered office as Dimi 21 Limited.
- Dimi Construction LtdFinishing trades
What happens if Dimi 21 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13722762
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 November 2021 (4 years ago)
- Registered office
- 3 Wayside Gardens, Dagenham, RM10 8QH
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 2 November 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Dagenham
Other active building contractors registered in Dagenham.
- Dkezelis Ltd2017
- DMDC Construction Ltd2022
- DNC Fix Building Ltd2018
- Dobrepro Builders Ltd2025
- Dolphin Electric and Heating Ltd2022
- DPV Construction Ltd2016
- DRB Design and Build Ltd2024
- Dreamhouse4U Ltd2026
All building contractors in Dagenham · All trades in Dagenham · Builders across the UK
Frequently asked questions
When are Dimi 21 Limited's accounts due?
Dimi 21 Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Dimi 21 Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Dimi 21 Limited still trading?
Dimi 21 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 Dimi 21 Limited do?
Dimi 21 Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Dimi 21 Limited?
Dimi 21 Limited was incorporated on 3 November 2021, 4 years ago.
What is the penalty if Dimi 21 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 Dimi 21 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.