- Company number
- 16054667
- Incorporated
- 1 Nov 20241 year trading
- Registered office
- JSP Accountants Ltd First Floor, 10 College Road, Harrow, Middlesex, HA1 1BE
- Nature of business
- Roofing activities
Blackstone Roofing Ltd is a 1-year-old private limited company registered in Harrow, company number 16054667, one of 46 roofing companies in Harrow. Its next accounts are due at Companies House on 1 November 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 Blackstone Roofing Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BE on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
4 other companies use the same registered office as Blackstone Roofing Ltd.
- Blackstone Building Solutions LtdRoofers
- Encore Tavistock LtdProperty developers
- Esb Venture LtdProperty developers
- SSS Properties Maintenance LtdProperty developers
What happens if Blackstone Roofing 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 1 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Nov 2026 to 1 Dec 2026 | £150 |
| 1 to 3 months late | 2 Dec 2026 to 1 Feb 2027 | £375 |
| 3 to 6 months late | 2 Feb 2027 to 1 May 2027 | £750 |
| More than 6 months late | From 2 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16054667
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 2024 (1 year ago)
- Registered office
- JSP Accountants Ltd First Floor, 10 College Road, Harrow, Middlesex, HA1 1BE
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 31 October 2025
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 Harrow
Other active roofing companies registered in Harrow.
- Chilton Roofing & Guttering Limited2025
- City Building and Roofing Ltd2018
- Colne Valley Roofing & Building Limited2021
- DC Roofing and Maintenance Limited2026
- Ej Roofing Services Limited2021
- Gavan Roofing Ltd2016
- Greywolf Roofing Limited2020
- Grove(WM) Limited2007
All roofing companies in Harrow · All trades in Harrow · Roofers across the UK
Frequently asked questions
When are Blackstone Roofing Ltd's accounts due?
Blackstone Roofing Ltd's next accounts are due at Companies House by 1 November 2026 (in 19 days), covering the period to 30 November 2025.
When is Blackstone Roofing 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 31 October 2025, due by 31 October 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blackstone Roofing Ltd still trading?
Blackstone Roofing 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 Blackstone Roofing Ltd do?
Blackstone Roofing Ltd is registered under Roofing activities (SIC 43910).
How old is Blackstone Roofing Ltd?
Blackstone Roofing Ltd was incorporated on 1 November 2024, 1 year ago.
What is the penalty if Blackstone Roofing 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 Blackstone Roofing 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.