- Companies
- Specialist contractors
- London
- Marylebone Construction and Maintenance Ltd
Marylebone Construction and Maintenance Ltd
- Company number
- 10786128
- Incorporated
- 24 May 20179 years trading
- Registered office
- 40 Park Side, London, Greater London, NW2 6RJ
- Nature of business
- Other specialised construction activities n.e.c.
Marylebone Construction and Maintenance Ltd is a 9-year-old private limited company registered in London, company number 10786128, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £98K (+112%) on the year before, to £10K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £155K against £145K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 May 2025 | £10K | £31K | £155K | £145K | 0 |
| 31 May 2024 | -£87K | £3,486 | £22K | £109K | 1 |
| 31 May 2023 | -£96K | £13K | £39K | £103K | 1 |
| 31 May 2022 | -£148K | £25K | £74K | £180K | 4 |
| 31 May 2021 | £19K | £45K | £72K | £3,573 | 0 |
| 31 May 2020 | £13K | £185 | £15K | £1,746 | 0 |
| 31 May 2019 | £8,885 | £100 | £11K | £2,420 | |
| 31 May 2018 | £100 |
Who runs and owns Marylebone Construction and Maintenance Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** N*** | Director | Oct 2023 |
| A*** S*** | Secretary | Jul 2021 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** A*** | Director | May 2017 | Jun 2020 |
| A*** D*** | Director | Jan 2019 | Mar 2021 |
| J*** H*** | Director | May 2017 | Jan 2019 |
| A*** S*** | Director | Jun 2020 | Jul 2021 |
| N*** Y*** | Director | Jul 2021 | Mar 2023 |
Where Marylebone Construction and Maintenance Ltd is registered
The registered office is in London (NW2), in the Brent local authority area, London. Show NW2 6RJ on a map.
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What happens if Marylebone Construction 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 10786128
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2017 (9 years ago)
- Registered office
- 40 Park Side, London, Greater London, NW2 6RJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 18 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Mas London Group Ltd2026
- Masis Design Limited2012
- Masters of Maintenance Ltd.2021
- Masters Pro Ltd2026
- Mastico Ltd2024
- Mateo Build Ltd2025
- Matergroup Ltd2016
- Material Concepts Limited2011
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Marylebone Construction and Maintenance Ltd's accounts due?
Marylebone Construction and Maintenance Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Marylebone Construction and Maintenance Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Marylebone Construction and Maintenance Ltd still trading?
Marylebone Construction 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 Marylebone Construction and Maintenance Ltd do?
Marylebone Construction and Maintenance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Marylebone Construction and Maintenance Ltd?
Marylebone Construction and Maintenance Ltd was incorporated on 24 May 2017, 9 years ago.
Who runs Marylebone Construction and Maintenance Ltd?
Marylebone Construction and Maintenance Ltd has 1 active director, the longest-serving appointed in Oct 2023. Their names and service addresses are on the Companies House register.
What is the penalty if Marylebone Construction 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 Marylebone Construction 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.