- Company number
- 17347717
- Incorporated
- 20 Jul 2026
- Registered office
- 67 Baylis Road, Slough, Berkshire, SL1 3PH
- Nature of business
- Glazing
LJ Double Glazing Ltd is a newly incorporated private limited company registered in Slough, company number 17347717, one of 44 glazing companies in Slough. Its next accounts are due at Companies House on 20 April 2028, and its first CT600 is due at HMRC on 19 July 2028.
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 LJ Double Glazing Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 3PH on a map.
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What happens if LJ Double Glazing 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 20 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Apr 2028 to 20 May 2028 | £150 |
| 1 to 3 months late | 21 May 2028 to 20 Jul 2028 | £375 |
| 3 to 6 months late | 21 Jul 2028 to 20 Oct 2028 | £750 |
| More than 6 months late | From 21 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 17347717
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2026
- Registered office
- 67 Baylis Road, Slough, Berkshire, SL1 3PH
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Slough
Other active glazing companies registered in Slough.
- London Domestic Windows Limited2020
- Lucky Glazing 4 U Ltd2025
- Metal Window Renovations Limited1992
- MSB Windows Services Ltd2017
- NV Window Ltd2026
- Pioneer Logistics Limited2025
- Pro Glazing Group Ltd2015
- Pro Home Group Ltd2014
All glazing companies in Slough · All trades in Slough · Glaziers across the UK
Frequently asked questions
When are LJ Double Glazing Ltd's accounts due?
LJ Double Glazing Ltd's next accounts are due at Companies House by 20 April 2028 (in 555 days), covering the period to 31 July 2027.
When is LJ Double Glazing 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 19 July 2027, due by 19 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is LJ Double Glazing Ltd still trading?
LJ Double Glazing 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 LJ Double Glazing Ltd do?
LJ Double Glazing Ltd is registered under Glazing (SIC 43342).
How old is LJ Double Glazing Ltd?
LJ Double Glazing Ltd was incorporated on 20 July 2026, less than a year ago.
What is the penalty if LJ Double Glazing 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 LJ Double Glazing 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.