- Companies
- Finishing trades
- London
- Casein Construction Ltd
Casein Construction Ltd
- Company number
- 14561861
- Incorporated
- 29 Dec 20223 years trading
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing; Other business support service activities n.e.c.
Casein Construction Ltd is a 3-year-old private limited company registered in London, company number 14561861, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £1,155 (+75.7%) on the year before, to £2,681.
- Current assets of £1,536 against £1,555 owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £2,681 | £1,536 | £1,555 | 0 | |
| 31 Dec 2023 | £1,526 | £1,526 | £1,526 | 1 |
Where Casein Construction Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 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 Casein Construction 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
- 14561861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 December 2022 (3 years ago)
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing (SIC 43390)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 20 September 2026
- Previous names
- Ma Support Services Ltd (until 22 Sep 2026)
Mhzstudios Ltd (until 8 Jul 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.
- Casfill Property Reforms Ltd2020
- Casmir Drylinning Limited2026
- Caspian Joinery Limited2024
- Castle Orchard Limited2020
- Cavendish Builds Limited2019
- CBDB Limited2017
- CBR Internal Finishing Ltd2021
- CCM Capital Construction Limited2022
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Casein Construction Ltd's accounts due?
Casein Construction 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 Casein Construction 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Casein Construction Ltd still trading?
Casein Construction 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 Casein Construction Ltd do?
Casein Construction Ltd is registered under Other building completion and finishing (SIC 43390); Other business support service activities n.e.c. (SIC 82990).
How old is Casein Construction Ltd?
Casein Construction Ltd was incorporated on 29 December 2022, 3 years ago.
What is the penalty if Casein Construction 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 Casein Construction 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.