- Company number
- 15365472
- Incorporated
- 20 Dec 20232 years trading
- Registered office
- C/O Digit Accountants, 83 Uxbridge Road, Stanmore, HA7 3NH
- Nature of business
- Glazing; Other building and industrial cleaning activities
Ah Windows & Doors Ltd is a 2-year-old private limited company registered in Stanmore, company number 15365472, one of 5 glazing companies in Stanmore. 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.
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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 £1,157 on the year before, to £1,083.
- Current assets of £5,438 against £3,930 owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- 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 | £1,083 | £5,438 | £3,930 | 1 | |
| 31 Dec 2024 | -£74 | £697 | £371 | 1 |
Who runs and owns Ah Windows & Doors Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** I*** | Director | Dec 2023 |
Person with significant control
Where Ah Windows & Doors Ltd is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 3NH on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
Also registered at this address
6 other companies use the same registered office as Ah Windows & Doors Ltd.
- JCB Windows LtdInstallers
- Jyl Decoration LtdPainters and decorators
- Mekong Electrical Services LtdElectricians
- Parkway Bodywork LimitedMechanics and garages
- Simple Glaze LimitedGlaziers
- SSS Construction LtdBuilders
What happens if Ah Windows & Doors 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 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
- 15365472
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2023 (2 years ago)
- Registered office
- C/O Digit Accountants, 83 Uxbridge Road, Stanmore, HA7 3NH
- Nature of business
- Glazing (SIC 43342)
Other building and industrial cleaning activities (SIC 81229) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 19 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 Stanmore
Other active glazing companies registered in Stanmore.
- Fire Safe Windows and Doors Ltd2020
- Pro Glazing Solutions Ltd2019
- Simple Glaze Limited2024
- UK Win - Doors & Conservatories Ltd2026
All glazing companies in Stanmore · All trades in Stanmore · Glaziers across the UK
Frequently asked questions
When are Ah Windows & Doors Ltd's accounts due?
Ah Windows & Doors Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Ah Windows & Doors Ltd'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 Ah Windows & Doors Ltd still trading?
Ah Windows & Doors 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 Ah Windows & Doors Ltd do?
Ah Windows & Doors Ltd is registered under Glazing (SIC 43342); Other building and industrial cleaning activities (SIC 81229).
How old is Ah Windows & Doors Ltd?
Ah Windows & Doors Ltd was incorporated on 20 December 2023, 2 years ago.
Who runs Ah Windows & Doors Ltd?
Ah Windows & Doors Ltd has 1 active director, the longest-serving appointed in Dec 2023. Their names and service addresses are on the Companies House register.
Who owns Ah Windows & Doors Ltd?
One person or company has significant control of Ah Windows & Doors Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Ah Windows & Doors 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 Ah Windows & Doors 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.