- Companies
- Installers
- London
- Lux Windows Ltd
Lux Windows Ltd
- Company number
- 17298693
- Incorporated
- 24 Jun 2026
- Registered office
- Lux Windows Ltd, 124 City Road, London, EC1V 2NX
- Nature of business
- Other construction installation
Lux Windows Ltd is a newly incorporated private limited company registered in London, company number 17298693, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 24 March 2028, and its first CT600 is due at HMRC on 23 June 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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Who runs and owns Lux Windows Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| N*** K*** | Director | Jun 2026 |
Person with significant control
Where Lux Windows Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
What happens if Lux 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 24 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Mar 2028 to 24 Apr 2028 | £150 |
| 1 to 3 months late | 25 Apr 2028 to 24 Jun 2028 | £375 |
| 3 to 6 months late | 25 Jun 2028 to 24 Sep 2028 | £750 |
| More than 6 months late | From 25 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17298693
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2026
- Registered office
- Lux Windows Ltd, 124 City Road, London, EC1V 2NX
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Luxurit Ltd2023
- Lycan Design Limited2021
- M & H Contracts (UK) Limited2004
- M & M Cable Services Limited1997
- M B G Services (UK) Ltd2008
- M Collins Builders Limited2013
- M H Doors & Windows Limited2021
- M Zamel Limited2006
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Lux Windows Ltd's accounts due?
Lux Windows Ltd's next accounts are due at Companies House by 24 March 2028 (in 529 days), covering the period to 30 June 2027.
When is Lux 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 23 June 2027, due by 23 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Lux Windows Ltd still trading?
Lux Windows 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 Lux Windows Ltd do?
Lux Windows Ltd is registered under Other construction installation (SIC 43290).
How old is Lux Windows Ltd?
Lux Windows Ltd was incorporated on 24 June 2026, less than a year ago.
Who runs Lux Windows Ltd?
Lux Windows Ltd has 1 active director, the longest-serving appointed in Jun 2026. Their names and service addresses are on the Companies House register.
Who owns Lux Windows Ltd?
One person or company has significant control of Lux Windows Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Lux 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 Lux Windows 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.