- Companies
- Finishing trades
- London
- MT Design and Maintenance Ltd
MT Design and Maintenance Ltd
- Company number
- 12459827
- Incorporated
- 13 Feb 20206 years trading
- Registered office
- 4 Deepdene Court, Winchmore Hill, London, N21 2NH
- Nature of business
- Other building completion and finishing
MT Design and Maintenance Ltd is a 6-year-old private limited company registered in London, company number 12459827, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £1,981 (+18.9%) on the year before, to £12K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £12K against £1,063 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £12K | £3,222 | £12K | £1,063 | 0 |
| 29 Feb 2024 | £11K | £134 | £9,637 | £595 | 0 |
| 28 Feb 2023 | £10K | £341 | £9,851 | £1,552 | 0 |
| 28 Feb 2022 | £9,949 | £298 | £10K | £1,042 | 0 |
| 28 Feb 2021 | £9,782 | £12K | £13K | £2,794 | 0 |
Where MT Design and Maintenance Ltd is registered
The registered office is in London (N21), in the Enfield local authority area, London. Show N21 2NH on a map.
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What happens if MT Design and Maintenance 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12459827
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2020 (6 years ago)
- Registered office
- 4 Deepdene Court, Winchmore Hill, London, N21 2NH
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 12 February 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 London
Other active building finishing companies registered in London.
- MTB Contracts and Management Ltd2016
- MTB Electrical Installation Ltd2017
- MTB Facilities Management Ltd2024
- Mthss Ltd2015
- MTJ Builders Limited2017
- MTJ Utilities Ltd2018
- MTN Distribution and Services Ltd2018
- Mu Engineering Ltd2024
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are MT Design and Maintenance Ltd's accounts due?
MT Design and Maintenance Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is MT Design and Maintenance Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is MT Design and Maintenance Ltd still trading?
MT Design and Maintenance 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 MT Design and Maintenance Ltd do?
MT Design and Maintenance Ltd is registered under Other building completion and finishing (SIC 43390).
How old is MT Design and Maintenance Ltd?
MT Design and Maintenance Ltd was incorporated on 13 February 2020, 6 years ago.
What is the penalty if MT Design and Maintenance 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 MT Design and Maintenance 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.