- Company number
- 14540406
- Incorporated
- 14 Dec 20223 years trading
- Registered office
- 273 Archway Road, London, N6 5AA
- Nature of business
- Glazing
Highgate Windows Limited is a 3-year-old private limited company registered in London, company number 14540406, one of 307 glazing companies 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 Highgate Windows 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 up £8,576 on the year before, to £8,814.
- Current assets of £22K against £14K owed within a year: 1.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £8,814 | £1 | £22K | £14K | 0 |
| 31 Dec 2024 | £238 | £4,591 | £4,829 | 0 | |
| 31 Dec 2023 | £1 | £1 | 1 |
Where Highgate Windows Limited is registered
The registered office is in London (N6), in the Haringey local authority area, London. Show N6 5AA on a map.
Other trade companies in N6
- Veluguard Roofing and Guttering LtdRoofers
- Abc Super Cleaners LtdCleaning companies
- N6 Refurb LtdFinishing trades
- Od Property & Business Services LtdBuilders
- Solidcraft Renovations LtdPainters and decorators
- Disaster Management LimitedSpecialist contractors
- Danehurst (Otago Lane) LimitedProperty developers
- Exotica LimitedMotor traders
What happens if Highgate 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 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
- 14540406
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2022 (3 years ago)
- Registered office
- 273 Archway Road, London, N6 5AA
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 13 December 2025
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.
- Hipro (London) Limited2013
- HMK Glass Ltd2016
- Homepro Property Services Ltd2025
- Hond & Langer Limited2016
- Honey Glazing Ltd2020
- House of Glass Limited2022
- HZ Building Solutions Ltd2024
- HZ Double Glazing Limited2023
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Highgate Windows Limited's accounts due?
Highgate Windows 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 Highgate Windows 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 Highgate Windows Limited still trading?
Highgate 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 Highgate Windows Limited do?
Highgate Windows Limited is registered under Glazing (SIC 43342).
How old is Highgate Windows Limited?
Highgate Windows Limited was incorporated on 14 December 2022, 3 years ago.
What is the penalty if Highgate 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 Highgate 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.