- Company number
- 16739316
- Incorporated
- 24 Sep 20251 year trading
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of commercial buildings
3Bilt Ltd is a 1-year-old private limited company registered in London, company number 16739316, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 24 June 2027, and its first CT600 is due at HMRC on 23 September 2027.
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 3Bilt Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
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- 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 3Bilt 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 24 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Jun 2027 to 24 Jul 2027 | £150 |
| 1 to 3 months late | 25 Jul 2027 to 24 Sep 2027 | £375 |
| 3 to 6 months late | 25 Sep 2027 to 24 Dec 2027 | £750 |
| More than 6 months late | From 25 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 16739316
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2025 (1 year ago)
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (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.
- 3Bros Steelfixing Ltd2021
- 3D Site Services Ltd2025
- 3Eee- Construction Limited2022
- 3K Casa Ltd2020
- 3MF Construction and Electrical Company Ltd2013
- 3Sixty Interiors Ltd2023
- 3WM Developments Limited2022
- 4 Brothers Brickwork Limited2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are 3Bilt Ltd's accounts due?
3Bilt Ltd's next accounts are due at Companies House by 24 June 2027 (in 255 days), covering the period to 30 September 2026.
When is 3Bilt 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 23 September 2026, due by 23 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is 3Bilt Ltd still trading?
3Bilt Ltd is listed as active on the Companies House register (checked 12 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 3Bilt Ltd do?
3Bilt Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is 3Bilt Ltd?
3Bilt Ltd was incorporated on 24 September 2025, 1 year ago.
What is the penalty if 3Bilt 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 3Bilt Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.