- Company number
- SC749306
- Incorporated
- 3 Nov 20223 years trading
- Registered office
- 55 Gilmour Avenue, Clydebank, G81 6AN
- Nature of business
- Construction of domestic buildings
B Johnstone Roofing and Building Maintenance Limited is a 3-year-old private limited company registered in Clydebank, company number SC749306, one of 19 building contractors in Clydebank. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £47K on the year before, to £49K.
- Current assets of £63K against £2,405 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £49K | £63K | £2,405 | 1 | |
| 30 Nov 2024 | £1,831 | £22K | £22K | 1 | |
| 30 Nov 2023 | -£9,862 | £2 | £17K | 1 |
Who runs and owns B Johnstone Roofing and Building Maintenance Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| B*** J*** | Director | Nov 2022 |
Person with significant control
Where B Johnstone Roofing and Building Maintenance Limited is registered
The registered office is in Clydebank (G81), in the West Dunbartonshire local authority area, Scotland. Show G81 6AN on a map.
Other trade companies in G81
- A&E Stonework LtdProperty developers
- North Construction & Utilities LtdInstallers
- Tyres 24/7 LtdMechanics and garages
- FL Jointing Solutions LimitedInstallers
- Adn Secure LtdMotor traders
- Happy Clean Homes LimitedCleaning companies
- Smiley. Tyres & Exhaust LimitedMotor traders
- G15 Automotive Services LimitedMechanics and garages
What happens if B Johnstone Roofing and Building Maintenance 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC749306
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 November 2022 (3 years ago)
- Registered office
- 55 Gilmour Avenue, Clydebank, G81 6AN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 23 November 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 Clydebank
Other active building contractors registered in Clydebank.
- Brodec Painting & Wallpapering Ltd2020
- Care & Repair Joinery Ltd2026
- Clyde Decorating & Painting Ltd2017
- Cube Side Ltd2024
- Cunningham Guild & Scott (Property Developments) Limited1989
- E & P Bricklaying Services Limited2017
- GRC Contracts Ltd2024
- J Reilly Builders Ltd2024
All building contractors in Clydebank · All trades in Clydebank · Builders across the UK
Frequently asked questions
When are B Johnstone Roofing and Building Maintenance Limited's accounts due?
B Johnstone Roofing and Building Maintenance Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is B Johnstone Roofing and Building Maintenance Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is B Johnstone Roofing and Building Maintenance Limited still trading?
B Johnstone Roofing and Building Maintenance 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 B Johnstone Roofing and Building Maintenance Limited do?
B Johnstone Roofing and Building Maintenance Limited is registered under Construction of domestic buildings (SIC 41202).
How old is B Johnstone Roofing and Building Maintenance Limited?
B Johnstone Roofing and Building Maintenance Limited was incorporated on 3 November 2022, 3 years ago.
Who runs B Johnstone Roofing and Building Maintenance Limited?
B Johnstone Roofing and Building Maintenance Limited has 1 active director, the longest-serving appointed in Nov 2022. Their names and service addresses are on the Companies House register.
Who owns B Johnstone Roofing and Building Maintenance Limited?
One person or company has significant control of B Johnstone Roofing and Building Maintenance Limited: an individual (owns 75% or more of the shares).
What is the penalty if B Johnstone Roofing and Building Maintenance 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 B Johnstone Roofing and Building Maintenance 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.