- Company number
- 08369625
- Incorporated
- 22 Jan 201313 years trading
- Registered office
- 104 Clifton Road, South Norwood, London, SE25 6PX
- Nature of business
- Roofing activities
B.G Duct Ltd is a 13-year-old private limited company registered in London, company number 08369625, one of 692 roofing companies 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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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £11K (+9.4%) on the year before, to £124K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £135K against £12K owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £124K | £135K | £12K | 1 | |
| 31 Jan 2024 | £113K | £140K | £21K | 1 | |
| 31 Jan 2023 | £101K | £139K | £26K | 1 | |
| 31 Jan 2022 | £35K | £104K | £53K | 1 | |
| 31 Jan 2021 | £46K | £153K | £90K | 1 | |
| 31 Jan 2020 | £72K | £109K | £73K | 1 | |
| 31 Jan 2019 | -£78K | -£64K | £24K | ||
| 31 Jan 2018 | -£82K | -£68K | £51K | ||
| 31 Jan 2017 | £82K | £104K | £104K | £41K | |
| 31 Jan 2016 | £33K | £89K | £98K | £44K |
Where B.G Duct Ltd is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 6PX on a map.
Other trade companies in SE25
- Luna Plumbing LtdPlumbers and heating engineers
- Mendivra LtdJoiners and carpenters
- Squeaky Mastery Services LtdCleaning companies
- MM(P)M LtdProperty developers
- Meysam Electrical LtdElectricians
- Madej Property Maintenance LtdFinishing trades
- Leonardo Bespoke Joinery LtdJoiners and carpenters
- GCS Electrical Services LimitedElectricians
What happens if B.G Duct 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 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
- 08369625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2013 (13 years ago)
- Registered office
- 104 Clifton Road, South Norwood, London, SE25 6PX
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 23 January 2026
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.
- B.Millers Building Services Ltd2025
- Baker Roofers Ltd2026
- Banham Property Care Ltd2026
- Bayford Roofing Limited2010
- Bbrown Roofing Ltd2026
- BDM Roofing Ltd2023
- Bear Solutions Ltd2026
- Beeston Roofing and Property Maintenance Ltd2026
All roofing companies in London · All trades in London · Roofers across the UK
Frequently asked questions
When are B.G Duct Ltd's accounts due?
B.G Duct Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is B.G Duct Ltd'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 B.G Duct Ltd still trading?
B.G Duct 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 B.G Duct Ltd do?
B.G Duct Ltd is registered under Roofing activities (SIC 43910).
How old is B.G Duct Ltd?
B.G Duct Ltd was incorporated on 22 January 2013, 13 years ago.
What is the penalty if B.G Duct 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 B.G Duct 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.