- Company number
- 16525101
- Incorporated
- 17 Jun 20251 year trading
- Registered office
- Unit 6C, Fraser Road, Erith, DA8 1QL
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Fortiswell Ltd is a 1-year-old private limited company registered in Erith, company number 16525101, one of 106 building contractors in Erith. Its next accounts are due at Companies House on 17 March 2027, and its first CT600 is due at HMRC on 16 June 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.
Is this your company?
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Where Fortiswell Ltd is registered
The registered office is in Erith (DA8), in the Bexley local authority area, London. Show DA8 1QL on a map.
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- SPN Cleaning Service LtdCleaning companies
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- Abbewood LtdMotor traders
What happens if Fortiswell 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 17 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Mar 2027 to 17 Apr 2027 | £150 |
| 1 to 3 months late | 18 Apr 2027 to 17 Jun 2027 | £375 |
| 3 to 6 months late | 18 Jun 2027 to 17 Sep 2027 | £750 |
| More than 6 months late | From 18 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16525101
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2025 (1 year ago)
- Registered office
- Unit 6C, Fraser Road, Erith, DA8 1QL
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 June 2026
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 Erith
Other active building contractors registered in Erith.
- General Builders London Ltd2024
- Globaltrade321 Ltd2026
- Gouhomes Limited2017
- Great Construction Limited2017
- Gridline Construction Limited2014
- Gurpreet Singh6 Ltd2021
- Hac Construction Limited2012
- Haki B Construction Ltd2026
All building contractors in Erith · All trades in Erith · Builders across the UK
Frequently asked questions
When are Fortiswell Ltd's accounts due?
Fortiswell Ltd's next accounts are due at Companies House by 17 March 2027 (in 156 days), covering the period to 30 June 2026.
When is Fortiswell 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 16 June 2026, due by 16 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fortiswell Ltd still trading?
Fortiswell 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 Fortiswell Ltd do?
Fortiswell Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Fortiswell Ltd?
Fortiswell Ltd was incorporated on 17 June 2025, 1 year ago.
What is the penalty if Fortiswell 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 Fortiswell 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.