- Companies
- Finishing trades
- London
- C1Brickwork Ltd
C1Brickwork Ltd
- Company number
- 17133588
- Incorporated
- 2 Apr 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.; Landscape service activities
C1Brickwork Ltd is a newly incorporated private limited company registered in London, company number 17133588, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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.
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Where C1Brickwork 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 C1Brickwork 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17133588
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
Landscape service activities (SIC 81300) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- C2C Design & Build Co. Ltd2023
- Cakir Group Limited2025
- Caliber Interiors Limited2018
- California Contracts Ltd2020
- Caliper Limited2015
- Calut Ltd2023
- Camden Carpenters Limited2011
- Camet Limited2026
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are C1Brickwork Ltd's accounts due?
C1Brickwork Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is C1Brickwork Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is C1Brickwork Ltd still trading?
C1Brickwork 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 C1Brickwork Ltd do?
C1Brickwork Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999); Landscape service activities (SIC 81300).
How old is C1Brickwork Ltd?
C1Brickwork Ltd was incorporated on 2 April 2026, less than a year ago.
What is the penalty if C1Brickwork 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 C1Brickwork 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.