- Companies
- Finishing trades
- London
- MTJ Builders Limited
MTJ Builders Limited
- Company number
- 10959229
- Incorporated
- 12 Sep 20179 years trading
- Registered office
- 35 Ballards Lane, London, N3 1XW
- Nature of business
- Other building completion and finishing
MTJ Builders Limited is a 9-year-old private limited company registered in London, company number 10959229, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 28 June 2027, and the CT600 for the period to 28 September 2026 is due at HMRC on 28 September 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 £95K (+369.7%) on the year before, to £120K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- 3 employees on average, down from 4 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £120K | £7,656 | £727K | 3 | |
| 30 Sep 2024 | £26K | £37K | £549K | 4 | |
| 30 Sep 2023 | -£75K | £5,685 | £469K | 4 | |
| 30 Sep 2022 | -£375K | £2,166 | £542K | 4 | |
| 30 Sep 2021 | -£452K | £166K | £544K | £965K | 4 |
| 30 Sep 2020 | £410K | £299K | £1.3M | £817K | 4 |
| 30 Sep 2019 | £296K | £88K | £626K | £334K | |
| 30 Sep 2018 | £105K | £70K | £208K | £103K |
Who runs and owns MTJ Builders Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| K*** L*** | Director | Sep 2017 |
| M*** L*** | Director | Sep 2017 |
| J*** L*** | Director | Oct 2018 |
| J*** L*** | Secretary | Sep 2017 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** G*** | Director | Sep 2017 | Mar 2024 |
Person with significant control
Where MTJ Builders Limited is registered
The registered office is in London (N3), in the Barnet local authority area, London. Show N3 1XW on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
Shared registered office
203 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 MTJ Builders 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jun 2027 to 28 Jul 2027 | £150 |
| 1 to 3 months late | 29 Jul 2027 to 28 Sep 2027 | £375 |
| 3 to 6 months late | 29 Sep 2027 to 28 Dec 2027 | £750 |
| More than 6 months late | From 29 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Sep 2027 | £200 |
| 3 months late | 28 Dec 2027 | another £200 |
| 6 months late | 28 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Sep 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
- 10959229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2017 (9 years ago)
- Registered office
- 35 Ballards Lane, London, N3 1XW
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 28 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 19 October 2025
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.
- MTJ Utilities Ltd2018
- MTN Distribution and Services Ltd2018
- Mu Engineering Ltd2024
- Mulberry Construction Ltd2008
- Mulcahy Construction Limited2018
- Mullins Construction Ltd2016
- Multani Modern Construction Ltd2025
- Multibiz Industries Ltd2025
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are MTJ Builders Limited's accounts due?
MTJ Builders Limited's next accounts are due at Companies House by 28 June 2027 (in 259 days), covering the period to 28 September 2026.
When is MTJ Builders Limited's CT600 due?
The CT600 for the period to 28 September 2026 is due at HMRC by 28 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 June 2027.
Is MTJ Builders Limited still trading?
MTJ Builders 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 MTJ Builders Limited do?
MTJ Builders Limited is registered under Other building completion and finishing (SIC 43390).
How old is MTJ Builders Limited?
MTJ Builders Limited was incorporated on 12 September 2017, 9 years ago.
Who runs MTJ Builders Limited?
MTJ Builders Limited has 3 active directors, the longest-serving appointed in Sep 2017. Their names and service addresses are on the Companies House register.
Who owns MTJ Builders Limited?
One person or company has significant control of MTJ Builders Limited: an individual (owns 25% to 50% of the shares).
What is the penalty if MTJ Builders 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 MTJ Builders 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.