- Company number
- 04222717
- Incorporated
- 24 May 200125 years trading
- Registered office
- 1C Hinton Road, London, SE24 0HJ
- Nature of business
- Glazing
KK Windows Limited is a 25-year-old private limited company registered in London, company number 04222717, one of 307 glazing companies in London. 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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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 up £33K (+142.7%) on the year before, to £9,951.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £47K against £29K owed within a year: 1.6 times cover.
- 3 employees on average, down from 5 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £9,951 | £0 | £47K | £29K | 3 |
| 30 Sep 2024 | -£23K | £2,315 | £33K | £42K | 5 |
| 30 Sep 2023 | -£9,530 | £5,209 | £48K | £36K | 4 |
| 30 Sep 2022 | £48K | £21K | £168K | £91K | 4 |
| 30 Sep 2021 | £54K | £70K | £166K | £75K | 4 |
| 30 Sep 2020 | £50K | £74K | £163K | £65K | 4 |
| 30 Sep 2019 | £45K | £39K | £106K | £62K | |
| 30 Sep 2018 | £39K | £80K | £38K | ||
| 30 Sep 2017 | £47K | £87K | £43K |
Where KK Windows Limited is registered
The registered office is in London (SE24), in the Lambeth local authority area, London. Show SE24 0HJ on a map.
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What happens if KK Windows 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 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
- 04222717
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2001 (25 years ago)
- Registered office
- 1C Hinton Road, London, SE24 0HJ
- Nature of business
- 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
- 12 April 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in London
Other active glazing companies registered in London.
- Koka Windows Ltd2024
- Kozarev Windows Ltd2020
- KP Glazing Ltd2015
- Krasio Construct Limited2017
- Lea Bridge Windows Limited2025
- Lens Logic Ltd2024
- Lima Windows Ltd2022
- Lock & Glaze Ltd2024
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are KK Windows Limited's accounts due?
KK Windows Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is KK Windows Limited'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 KK Windows Limited still trading?
KK Windows 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 KK Windows Limited do?
KK Windows Limited is registered under Glazing (SIC 43342).
How old is KK Windows Limited?
KK Windows Limited was incorporated on 24 May 2001, 25 years ago.
What is the penalty if KK Windows 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 KK Windows 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.