- Company number
- 17384001
- Incorporated
- 5 Aug 2026
- Registered office
- 16 Vineyard Avenue, London, NW7 1HR
- Nature of business
- Construction of domestic buildings
MBL Building Ltd is a newly incorporated private limited company registered in London, company number 17384001, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 5 May 2028, and its first CT600 is due at HMRC on 4 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first 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 MBL 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.
Where MBL Building Ltd is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 1HR on a map.
Other trade companies in NW7
- Khys Collection LimitedMotor traders
- Highmark Construction LimitedSpecialist contractors
- Maysa Construction Group LtdBuilders
- Eveluna LtdBuilders
- JG Property Cleaning LtdCleaning companies
- Sil Builder LimitedSpecialist contractors
- Emergency Cleaning 24/7 LtdCleaning companies
- Ortec Inspection LimitedElectricians
What happens if MBL 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 5 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 May 2028 to 5 Jun 2028 | £150 |
| 1 to 3 months late | 6 Jun 2028 to 5 Aug 2028 | £375 |
| 3 to 6 months late | 6 Aug 2028 to 5 Nov 2028 | £750 |
| More than 6 months late | From 6 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 17384001
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2026
- Registered office
- 16 Vineyard Avenue, London, NW7 1HR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active building contractors registered in London.
- MBL Developments Ltd2019
- Mblfix Ltd2023
- MBM Building Ltd2026
- MBP Construction and Plant Hire Ltd2026
- MBS 84 Limited2017
- MBT Group Ltd2022
- MC Building SVS Limited2024
- MC Construction and Decor Ltd2018
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are MBL Building Ltd's accounts due?
MBL Building Ltd's next accounts are due at Companies House by 5 May 2028 (in 570 days), covering the period to 31 August 2027.
When is MBL Building Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 August 2027, due by 4 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MBL Building Ltd still trading?
MBL 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 MBL Building Ltd do?
MBL Building Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is MBL Building Ltd?
MBL Building Ltd was incorporated on 5 August 2026, less than a year ago.
What is the penalty if MBL 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 MBL 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.