- Companies
- Finishing trades
- Plymouth
- CMN Carpentry and Building Ltd
CMN Carpentry and Building Ltd
- Company number
- 10892798
- Incorporated
- 1 Aug 20179 years trading
- Registered office
- 33 Mary Seacole Road, Plymouth, PL1 3JY
- Nature of business
- Other building completion and finishing
CMN Carpentry and Building Ltd is a 9-year-old private limited company registered in Plymouth, company number 10892798, one of 101 building finishing companies in Plymouth. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CMN Carpentry and Building LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £43 (-23.1%) on the year before, to £143.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £70K against £68K owed within a year: 1.0 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £143 | £14K | £70K | £68K | 3 |
| 31 Mar 2024 | £186 | £21K | £45K | £46K | 2 |
| 31 Mar 2023 | £3,224 | £48K | £60K | £39K | 2 |
| 31 Mar 2022 | £1,755 | £26K | £41K | £15K | 2 |
| 31 Mar 2021 | £1,758 | £23K | £60K | £30K | 2 |
| 31 Mar 2020 | £28K | £6,561 | £35K | £12K | 2 |
| 31 Mar 2019 | £57K | £45K | £79K | £28K | 2 |
| 31 Mar 2018 | £36K | £18K | £45K | £13K |
Where CMN Carpentry and Building Ltd is registered
The registered office is in Plymouth (PL1), in the Plymouth local authority area, South West. Show PL1 3JY on a map.
Other trade companies in PL1
- Clearway Drives & Patios LtdLandscapers and gardeners
- Techshopplymouth LtdRepair services
- Plymouth Garage LtdMechanics and garages
- Westmore Construction (South West) LtdProperty developers
- SW MOT LtdMechanics and garages
- SW Garage LtdMechanics and garages
- Mitchell Electrical (SW) LtdElectricians
- Mallu S Wheels UK LtdMotor traders
Shared registered office
48 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 CMN Carpentry and Building 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10892798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2017 (9 years ago)
- Registered office
- 33 Mary Seacole Road, Plymouth, PL1 3JY
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 July 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Plymouth
Other active building finishing companies registered in Plymouth.
- Complete Damp Proofing SW Ltd2025
- Complete Maintenance Southwest Ltd2020
- Cove Property Services Limited2006
- Crossfield Interiors Ltd2022
- CRS Property Services Limited2015
- Curious Carpentry Ltd2023
- D F Bryan Ltd2003
- D&M Construction SW Ltd2024
All building finishing companies in Plymouth · All trades in Plymouth · Finishing trades across the UK
Frequently asked questions
When are CMN Carpentry and Building Ltd's accounts due?
CMN Carpentry and Building Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is CMN Carpentry and Building Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is CMN Carpentry and Building Ltd still trading?
CMN Carpentry and Building 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 CMN Carpentry and Building Ltd do?
CMN Carpentry and Building Ltd is registered under Other building completion and finishing (SIC 43390).
How old is CMN Carpentry and Building Ltd?
CMN Carpentry and Building Ltd was incorporated on 1 August 2017, 9 years ago.
What is the penalty if CMN Carpentry and Building 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 CMN Carpentry and Building 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.