- Company number
- 17052639
- Incorporated
- 24 Feb 2026
- Registered office
- 195-197 Wood ST Wood ST,, Suite Ra01,, London, E17 3NU
- Nature of business
- Roofing activities
Hammerslate Roofing and Building Ltd is a newly incorporated private limited company registered in London, company number 17052639, one of 692 roofing companies in London. Its next accounts are due at Companies House on 24 November 2027, and its first CT600 is due at HMRC on 23 February 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.
Is this your company?
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Where Hammerslate Roofing and Building Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3NU on a map.
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What happens if Hammerslate Roofing and Building 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Nov 2027 to 24 Dec 2027 | £150 |
| 1 to 3 months late | 25 Dec 2027 to 24 Feb 2028 | £375 |
| 3 to 6 months late | 25 Feb 2028 to 24 May 2028 | £750 |
| More than 6 months late | From 25 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17052639
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 February 2026
- Registered office
- 195-197 Wood ST Wood ST,, Suite Ra01,, London, E17 3NU
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in London
Other active roofing companies registered in London.
- Harold Heath Ltd2021
- Hartleys Roofing & Guttering Ltd2026
- Hibbs Roofing & Building Ltd2025
- High Roofing Ltd2021
- Highlight Roofing and Building Ltd2025
- Highworth Roofing Ltd2026
- HML Roofing & Cladding Ltd2021
- Home Guard London & South East Ltd2026
All roofing companies in London · All trades in London · Roofers across the UK
Frequently asked questions
When are Hammerslate Roofing and Building Ltd's accounts due?
Hammerslate Roofing and Building Ltd's next accounts are due at Companies House by 24 November 2027 (in 407 days), covering the period to 28 February 2027.
When is Hammerslate Roofing and Building 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 February 2027, due by 23 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hammerslate Roofing and Building Ltd still trading?
Hammerslate Roofing and Building 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 Hammerslate Roofing and Building Ltd do?
Hammerslate Roofing and Building Ltd is registered under Roofing activities (SIC 43910).
How old is Hammerslate Roofing and Building Ltd?
Hammerslate Roofing and Building Ltd was incorporated on 24 February 2026, less than a year ago.
What is the penalty if Hammerslate Roofing and Building 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 Hammerslate Roofing and Building 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.