- Companies
- Installers
- Glasgow
- Lockfast (GLW) Ltd
Lockfast (GLW) Ltd
- Company number
- SC279160
- Incorporated
- 31 Jan 200521 years trading
- Registered office
- c/o MR R Muir, 47 Oak Wynd, Cambuslang, Glasgow, Lanarkshire, G72 7GS
- Nature of business
- Other construction installation
Lockfast (GLW) Ltd is a 21-year-old private limited company registered in Glasgow, company number SC279160, one of 331 installation companies (insulation, lifts, shutters and similar) in Glasgow. 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 £3,051 (+12%) on the year before, to £28K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1,256 against £14K owed within a year: 0.1 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 | £28K | £1,256 | £14K | 1 | |
| 31 Jan 2024 | £25K | £6,861 | £17K | 1 | |
| 31 Jan 2023 | £28K | £4,615 | £17K | 1 | |
| 31 Jan 2022 | £31K | £1,273 | £13K | 2 | |
| 31 Jan 2021 | £36K | £13K | £25K | 2 | |
| 31 Jan 2020 | £18K | £8,560 | £9,024 | 1 | |
| 31 Jan 2019 | £12K | £6,760 | £27K | ||
| 31 Jan 2018 | £1,888 | £8,533 | £18K | ||
| 31 Jan 2017 | £3,044 | £7,138 | £16K | ||
| 31 Jan 2016 | £886 | £11K | £16K |
Where Lockfast (GLW) Ltd is registered
The registered office is in Glasgow (G72), in the South Lanarkshire local authority area, Scotland. Show G72 7GS on a map.
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What happens if Lockfast (GLW) 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
- SC279160
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2005 (21 years ago)
- Registered office
- c/o MR R Muir, 47 Oak Wynd, Cambuslang, Glasgow, Lanarkshire, G72 7GS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 6 April 2026
- Previous names
- Macbrickies Ltd. (until 23 May 2007)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Glasgow
Other active installation companies (insulation, lifts, shutters and similar) registered in Glasgow.
- Log House SC Limited2020
- Logan Contracts Ltd2026
- Loman Hellier Limited2005
- LV Energy Group Ltd2025
- Lynch Insulation & Access Ltd2026
- M and D Quartz Installations Ltd2024
- Magna Flooring Solutions Ltd2021
- Malo Windows & Doors Limited2022
All installation companies (insulation, lifts, shutters and similar) in Glasgow · All trades in Glasgow · Installers across the UK
Frequently asked questions
When are Lockfast (GLW) Ltd's accounts due?
Lockfast (GLW) 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 Lockfast (GLW) 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 Lockfast (GLW) Ltd still trading?
Lockfast (GLW) 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 Lockfast (GLW) Ltd do?
Lockfast (GLW) Ltd is registered under Other construction installation (SIC 43290).
How old is Lockfast (GLW) Ltd?
Lockfast (GLW) Ltd was incorporated on 31 January 2005, 21 years ago.
What is the penalty if Lockfast (GLW) 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 Lockfast (GLW) 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.