- Company number
- 16045839
- Incorporated
- 28 Oct 20241 year trading
- Registered office
- 195-197 Wood Street, London, E17 3NU
- Nature of business
- Construction of domestic buildings; Roofing activities
Smooth Roof Ltd is a 1-year-old private limited company registered in London, company number 16045839, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Smooth Roof 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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Also registered at this address
21 other companies use the same registered office as Smooth Roof Ltd.
- Ahmed Partners LtdMotor traders
- Capital Finishing LimitedPainters and decorators
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- Stormridge Roofing & Building LtdRoofers
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What happens if Smooth Roof 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16045839
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2024 (1 year ago)
- Registered office
- 195-197 Wood Street, London, E17 3NU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Roofing activities (SIC 43910) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 October 2025
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.
- SMR Builders Ltd2026
- SMT Building Services Ltd2023
- SMT Stones Ltd2020
- SN Build Ltd2023
- SN Builders Ltd2019
- SN Masterbuild Ltd2026
- Sna Drywall Ltd2025
- Snagging.Com Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Smooth Roof Ltd's accounts due?
Smooth Roof Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Smooth Roof Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Smooth Roof Ltd still trading?
Smooth Roof 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 Smooth Roof Ltd do?
Smooth Roof Ltd is registered under Construction of domestic buildings (SIC 41202); Roofing activities (SIC 43910).
How old is Smooth Roof Ltd?
Smooth Roof Ltd was incorporated on 28 October 2024, 1 year ago.
What is the penalty if Smooth Roof 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 Smooth Roof 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.