- Companies
- Installers
- Brighton
- MGT Sash Windows Ltd
MGT Sash Windows Ltd
- Company number
- 16695587
- Incorporated
- 4 Sep 20251 year trading
- Registered office
- Bank House Southwick Square, Southwick, Brighton, BN42 4FN
- Nature of business
- Other construction installation
MGT Sash Windows Ltd is a 1-year-old private limited company registered in Brighton, company number 16695587, one of 49 installation companies (insulation, lifts, shutters and similar) in Brighton. Its next accounts are due at Companies House on 4 June 2027, and its first CT600 is due at HMRC on 3 September 2027.
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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Who runs and owns MGT Sash Windows Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** T*** | Director | Sep 2025 |
Person with significant control
Where MGT Sash Windows Ltd is registered
The registered office is in Brighton (BN42), in the Adur local authority area, South East. Show BN42 4FN on a map.
Other trade companies in BN42
- GWS Paving LtdSpecialist contractors
- Ashcroft Kitchens LtdJoiners and carpenters
- Hilton Controls LtdElectricians
- Farrell Construction (Sussex) LtdBuilders
- D&C Interior Systems LtdPlasterers
- T. Laver Flooring LimitedFloor and wall tilers
- J.Cole Homes LtdPlumbers and heating engineers
- Boss Carpet Cleaning LtdCleaning companies
Shared registered office
31 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if MGT Sash Windows 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 4 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Jun 2027 to 4 Jul 2027 | £150 |
| 1 to 3 months late | 5 Jul 2027 to 4 Sep 2027 | £375 |
| 3 to 6 months late | 5 Sep 2027 to 4 Dec 2027 | £750 |
| More than 6 months late | From 5 Dec 2027 | £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
- 16695587
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2025 (1 year ago)
- Registered office
- Bank House Southwick Square, Southwick, Brighton, BN42 4FN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 3 September 2026
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 Brighton
Other active installation companies (insulation, lifts, shutters and similar) registered in Brighton.
- MR House Ltd2017
- MWW Services (Brighton) Limited2021
- Pase Ltd2025
- Peach Carpentry & Construction Limited2022
- Phoenix Group Construction Limited1997
- Professional Access Solutions Ltd2019
- S G Banks Limited2015
- Safe-Bricks Limited2021
All installation companies (insulation, lifts, shutters and similar) in Brighton · All trades in Brighton · Installers across the UK
Frequently asked questions
When are MGT Sash Windows Ltd's accounts due?
MGT Sash Windows Ltd's next accounts are due at Companies House by 4 June 2027 (in 234 days), covering the period to 30 September 2026.
When is MGT Sash Windows 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 3 September 2026, due by 3 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is MGT Sash Windows Ltd still trading?
MGT Sash Windows Ltd is listed as active on the Companies House register (checked 13 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 MGT Sash Windows Ltd do?
MGT Sash Windows Ltd is registered under Other construction installation (SIC 43290).
How old is MGT Sash Windows Ltd?
MGT Sash Windows Ltd was incorporated on 4 September 2025, 1 year ago.
Who runs MGT Sash Windows Ltd?
MGT Sash Windows Ltd has 1 active director, the longest-serving appointed in Sep 2025. Their names and service addresses are on the Companies House register.
Who owns MGT Sash Windows Ltd?
One person or company has significant control of MGT Sash Windows Ltd: an individual (owns 75% or more of the shares).
What is the penalty if MGT Sash Windows 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 MGT Sash Windows Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.