- Companies
- Cleaning companies
- St Albans
- Clean Aza Whistle Limited
Clean Aza Whistle Limited
- Company number
- 06119911
- Incorporated
- 21 Feb 200719 years trading
- Registered office
- Pendragon House, 65 London Road, St Albans, AL1 1LJ
- Nature of business
- General cleaning of buildings
Clean Aza Whistle Limited is a 19-year-old private limited company registered in St Albans, company number 06119911, one of 44 cleaning companies in St Albans. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 down £829 (-3.7%) on the year before, to £21K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £21K against £32 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £21K | £21K | £32 | 0 | |
| 28 Feb 2025 | £22K | £23K | £881 | 0 | |
| 29 Feb 2024 | £22K | £23K | £261 | 2 | |
| 28 Feb 2023 | £21K | £23K | £1,168 | 2 | |
| 28 Feb 2022 | £17K | £19K | £2,939 | 2 | |
| 28 Feb 2021 | £8,603 | £12K | £4,516 | 1 | |
| 29 Feb 2020 | £1,998 | £3,872 | £1,931 | 1 | |
| 28 Feb 2019 | £556 | £2,529 | £727 | ||
| 28 Feb 2018 | £229 | £3,092 | £1,640 | ||
| 28 Feb 2017 | £24 | £1,067 | £450 |
Where Clean Aza Whistle Limited is registered
The registered office is in St Albans (AL1), in the St Albans local authority area, East of England. Show AL1 1LJ on a map.
Other trade companies in AL1
- Alban Climate LimitedPlumbers and heating engineers
- Arj Vehicle Trading LtdMotor traders
- LCB Electrical Service LimitedElectricians
- R&T Home Improvements LtdFinishing trades
- Akh Global Ventures LimitedElectricians
- Arkenstone Roof Care LtdRoofers
- Doyle House Group LimitedProperty developers
- Quinnmore Construction LimitedBuilders
Also registered at this address
14 other companies use the same registered office as Clean Aza Whistle Limited.
- Alexander Charles LimitedSpecialist contractors
- Amber Real Investment LimitedProperty developers
- C R E Industrial Developments LimitedProperty developers
- Complete Automotive Repair Solutions LimitedMachinery repair and installation
- Gudgeons Groundworks and Construction LimitedGroundworks and demolition
- Harbour Porsche LimitedMotor traders
- JFK Gardening LimitedLandscapers and gardeners
- Keane Property Holding 2 LimitedProperty developers
- Keane Property Holding 3 LimitedProperty developers
- Lamer Land LimitedBuilders
- LCB Electrical Service LimitedElectricians
- Pritchards Heating and Plumbing LimitedPlumbers and heating engineers
- Reshape Builders LtdFinishing trades
- Rodells Contracts LimitedSpecialist contractors
What happens if Clean Aza Whistle 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 06119911
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2007 (19 years ago)
- Registered office
- Pendragon House, 65 London Road, St Albans, AL1 1LJ
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 21 February 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in St Albans
Other active cleaning companies registered in St Albans.
- Clear Sky Cleaning Ltd2025
- Clear View Cleaning Contractors Ltd2023
- Clear View Deionised Water & Cleaning Supplies Ltd2024
- Crystal Cleaning Agency Ltd2009
- Dime Cleaning Ltd2024
- Elite Residential Cleaners Ltd2025
- Emergency Clean UK Ltd2026
- Four Seasons Office & Window Cleaning Limited2010
All cleaning companies in St Albans · All trades in St Albans · Cleaning companies across the UK
Frequently asked questions
When are Clean Aza Whistle Limited's accounts due?
Clean Aza Whistle Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Clean Aza Whistle Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Clean Aza Whistle Limited still trading?
Clean Aza Whistle 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 Clean Aza Whistle Limited do?
Clean Aza Whistle Limited is registered under General cleaning of buildings (SIC 81210).
How old is Clean Aza Whistle Limited?
Clean Aza Whistle Limited was incorporated on 21 February 2007, 19 years ago.
What is the penalty if Clean Aza Whistle 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 Clean Aza Whistle 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.