- Companies
- Installers
- Chertsey
- London Window Specialists Ltd
London Window Specialists Ltd
- Company number
- 16175930
- Incorporated
- 10 Jan 20251 year trading
- Registered office
- 18 Foundry Mews, Gogmore Lane, Chertsey, Surrey, KT16 9AP
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
London Window Specialists Ltd is a 1-year-old private limited company registered in Chertsey, company number 16175930, one of 10 installation companies (insulation, lifts, shutters and similar) in Chertsey. Its next accounts are due at Companies House on 10 January 2027, and its first CT600 is due at HMRC on 9 January 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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Where London Window Specialists Ltd is registered
The registered office is in Chertsey (KT16), in the Runnymede local authority area, South East. Show KT16 9AP on a map.
Other trade companies in KT16
- Giovanni Builders LtdBuilders
- JD Automotive Surrey LtdMechanics and garages
- Everstone Landscapes LtdSpecialist contractors
- Sandalwood Property Solutions LimitedFinishing trades
- Living the Dream Pro LtdMechanics and garages
- Building Hearts LtdBuilders
- E&V Sparkle Clean LtdCleaning companies
- Acute Roofing LtdFinishing trades
What happens if London Window Specialists 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 10 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jan 2027 to 10 Feb 2027 | £150 |
| 1 to 3 months late | 11 Feb 2027 to 10 Apr 2027 | £375 |
| 3 to 6 months late | 11 Apr 2027 to 10 Jul 2027 | £750 |
| More than 6 months late | From 11 Jul 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
- 16175930
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 January 2025 (1 year ago)
- Registered office
- 18 Foundry Mews, Gogmore Lane, Chertsey, Surrey, KT16 9AP
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 January 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 Chertsey
Other active installation companies (insulation, lifts, shutters and similar) registered in Chertsey.
- M&R Driveways and Landscaping Ltd2025
- Phenix Brickwork Services Ltd2008
- Philip Gebhard Limited2009
- Storage Future Limited2010
- Surrey Roofing & Windows Ltd2023
- T&M Tools and Fixings Hire and Sale Ltd2017
- WRT Electric Ltd2017
- E7 Works Ltd2021
All installation companies (insulation, lifts, shutters and similar) in Chertsey · All trades in Chertsey · Installers across the UK
Frequently asked questions
When are London Window Specialists Ltd's accounts due?
London Window Specialists Ltd's next accounts are due at Companies House by 10 January 2027 (in 89 days), covering the period to 31 January 2026.
When is London Window Specialists 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 9 January 2026, due by 9 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is London Window Specialists Ltd still trading?
London Window Specialists 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 London Window Specialists Ltd do?
London Window Specialists Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is London Window Specialists Ltd?
London Window Specialists Ltd was incorporated on 10 January 2025, 1 year ago.
What is the penalty if London Window Specialists 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 London Window Specialists 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.