- Companies
- Installers
- Slough
- Weathershield Double Glazing Ltd
Weathershield Double Glazing Ltd
- Company number
- 15987151
- Incorporated
- 30 Sep 20242 years trading
- Registered office
- 18 Northcroft, Slough, SL2 1HS
- Nature of business
- Other construction installation; Glazing
Weathershield Double Glazing Ltd is a 2-year-old private limited company registered in Slough, company number 15987151, one of 73 installation companies (insulation, lifts, shutters and similar) in Slough. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 30 September 2025, as filed at Companies House.
Where Weathershield Double Glazing Ltd is registered
The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 1HS on a map.
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What happens if Weathershield 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15987151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2024 (2 years ago)
- Registered office
- 18 Northcroft, Slough, SL2 1HS
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 29 September 2025
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 Slough
Other active installation companies (insulation, lifts, shutters and similar) registered in Slough.
- Willment & Co Ltd2013
- Wood & Nail Ltd2025
- Woodman Wardrobes Ltd2021
- 5S Construction Services Ltd2019
- A Green Construction Ltd2019
- A L I Stone Limited2021
- A&M Gate Automation Ltd2012
- Adam Aj Blinds Ltd2021
All installation companies (insulation, lifts, shutters and similar) in Slough · All trades in Slough · Installers across the UK
Frequently asked questions
When are Weathershield Double Glazing Ltd's accounts due?
Weathershield Double Glazing Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Weathershield Double Glazing Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Weathershield Double Glazing Ltd still trading?
Weathershield 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 Weathershield Double Glazing Ltd do?
Weathershield Double Glazing Ltd is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is Weathershield Double Glazing Ltd?
Weathershield Double Glazing Ltd was incorporated on 30 September 2024, 2 years ago.
What is the penalty if Weathershield 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 Weathershield 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.