- Company number
- 15394324
- Incorporated
- 7 Jan 20242 years trading
- Registered office
- 11 Lind Street, London, SE8 4JE
- Nature of business
- Construction of domestic buildings
Blotfort Group Limited is a 2-year-old private limited company registered in London, company number 15394324, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 January 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Blotfort Group Limited is registered
The registered office is in London (SE8), in the Lewisham local authority area, London. Show SE8 4JE on a map.
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What happens if Blotfort Group Limited 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15394324
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2024 (2 years ago)
- Registered office
- 11 Lind Street, London, SE8 4JE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 6 January 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 London
Other active building contractors registered in London.
- BLS Builders Ltd2016
- BLS Development and Construction Limited2023
- BLSB Limited2025
- BLT Building Contractors Ltd2018
- BLT Buildtech Ltd2025
- Blue Arrow Construction Limited2023
- Blue Arrow Consultancy Ltd2016
- Blue Atlas International Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Blotfort Group Limited's accounts due?
Blotfort Group Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Blotfort Group Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Blotfort Group Limited still trading?
Blotfort Group Limited 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 Blotfort Group Limited do?
Blotfort Group Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Blotfort Group Limited?
Blotfort Group Limited was incorporated on 7 January 2024, 2 years ago.
What is the penalty if Blotfort Group Limited 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 Blotfort Group Limited 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.