- Companies
- Installers
- London
- Window Kits Limited
Window Kits Limited
- Company number
- 15860658
- Incorporated
- 26 Jul 20242 years trading
- Registered office
- 122 A Hanover Road, London, NW10 3DP
- Nature of business
- Other construction installation
Window Kits Limited is a 2-year-old private limited company registered in London, company number 15860658, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Window Kits LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £30K on the year before, to -£30K.
- Current assets of £1,359 against £62K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£30K | £1,359 | £62K | 0 | |
| 31 Dec 2024 | £0 | £205 | £10K | 0 |
Where Window Kits Limited is registered
The registered office is in London (NW10), in the Brent local authority area, London. Show NW10 3DP on a map.
Other trade companies in NW10
- Smart Roof Group LtdRoofers
- Mah Maintenance London LimitedFinishing trades
- 46 Electrical LtdElectricians
- Ahf Construction LtdBuilders
- Hook and Hoist LtdMachinery repair and installation
- Wrights Building Services LtdFinishing trades
- Abx Autos LtdMotor traders
- Ev & Plug-in Centre LtdMechanics and garages
What happens if Window Kits Limited 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15860658
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2024 (2 years ago)
- Registered office
- 122 A Hanover Road, London, NW10 3DP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 22 April 2026
- Previous names
- Rapid Response Windows Limited (until 23 Apr 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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Window Tint Company Ltd2024
- Windrew Ltd2011
- Winston Builders Ltd2023
- Wire Comms Ltd2023
- Wireworld Ltd2025
- WJ Lift Ltd2020
- WJF Plumbing and Heating Limited2024
- WM Solid Floors Ltd2022
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Window Kits Limited's accounts due?
Window Kits Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Window Kits Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Window Kits Limited still trading?
Window Kits Limited 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 Window Kits Limited do?
Window Kits Limited is registered under Other construction installation (SIC 43290).
How old is Window Kits Limited?
Window Kits Limited was incorporated on 26 July 2024, 2 years ago.
What is the penalty if Window Kits Limited 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 Window Kits Limited 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.