- Company number
- 13781529
- Incorporated
- 3 Dec 20214 years trading
- Registered office
- Ground Floor, 19 New Road, Brighton, East Sussex, BN1 1UF
- Nature of business
- Construction of domestic buildings
CM2021 Ltd is a 4-year-old private limited company registered in Brighton, company number 13781529, one of 191 building contractors in Brighton. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 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 £21K (+102.8%) on the year before, to £563.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £83K against £99K owed within a year: 0.8 times cover.
- 2 employees 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 Dec 2025 | £563 | £8,280 | £83K | £99K | 2 |
| 31 Dec 2024 | -£20K | £19K | £55K | £97K | 2 |
| 31 Dec 2023 | £398 | £19K | £23K | £50K | 1 |
| 31 Dec 2022 | -£3,284 | £5,994 | £46K | £49K | 1 |
Where CM2021 Ltd is registered
The registered office is in Brighton (BN1), in the Brighton and Hove local authority area, South East. Show BN1 1UF on a map.
Other trade companies in BN1
- Appliance & Home Care LtdRepair services
- Steeleagle LtdMachinery repair and installation
- C & G Energy Solutions LimitedPlumbers and heating engineers
- Ruihe Raising Property LtdProperty developers
- Davinci Building LtdSpecialist contractors
- Almore Roofing & Guttering LtdRoofers
- Neo Av LtdMachinery repair and installation
- Akoma Homes and Commercial Cleaning LtdCleaning companies
Shared registered office
37 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if CM2021 Ltd 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2027 | £200 |
| 3 months late | 30 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 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
- 13781529
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 December 2021 (4 years ago)
- Registered office
- Ground Floor, 19 New Road, Brighton, East Sussex, BN1 1UF
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 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 Brighton
Other active building contractors registered in Brighton.
- Creative Construction (South) Limited2023
- D P Johnston Ltd2004
- D. Gillespie Properties Limited1982
- D.A. Regan (Construction Services) Limited2021
- D.A. Regan (Sussex) Limited1996
- Dandel Limited1960
- Dempseycarpentry Ltd2026
- Den Building Limited2021
All building contractors in Brighton · All trades in Brighton · Builders across the UK
Frequently asked questions
When are CM2021 Ltd's accounts due?
CM2021 Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 30 December 2026.
When is CM2021 Ltd's CT600 due?
The CT600 for the period to 30 December 2026 is due at HMRC by 30 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is CM2021 Ltd still trading?
CM2021 Ltd 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 CM2021 Ltd do?
CM2021 Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is CM2021 Ltd?
CM2021 Ltd was incorporated on 3 December 2021, 4 years ago.
What is the penalty if CM2021 Ltd 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 CM2021 Ltd 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.