- Companies
- Installers
- Braintree
- Clean Air Systems & Installations Limited
Clean Air Systems & Installations Limited
- Company number
- 04584560
- Incorporated
- 7 Nov 200223 years trading
- Registered office
- 3 Warners Mill, Silks Way, Braintree, Essex, CM7 3GB
- Nature of business
- Other construction installation
Clean Air Systems & Installations Limited is a 23-year-old private limited company registered in Braintree, company number 04584560, one of 49 installation companies (insulation, lifts, shutters and similar) in Braintree. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £40K (-24.4%) on the year before, to £125K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £607K against £485K owed within a year: 1.3 times cover.
- 12 employees on average, up from 11 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £125K | £127K | £607K | £485K | 12 |
| 30 Nov 2024 | £165K | £130K | £492K | £346K | 11 |
| 30 Nov 2023 | £71K | £50K | £400K | £316K | 12 |
| 30 Nov 2022 | £20K | £73K | £455K | £449K | 14 |
| 30 Nov 2021 | -£125K | £94K | £435K | £577K | 16 |
| 30 Nov 2020 | -£156K | £40K | £442K | £555K | 17 |
| 30 Nov 2019 | -£83K | £45K | £474K | £549K | 17 |
| 30 Nov 2018 | -£34K | £39K | £479K | £554K | 19 |
| 30 Nov 2017 | £174K | £126K | £547K | £424K | 16 |
| 30 Nov 2016 | £229K | £146K | £549K | £373K |
Where Clean Air Systems & Installations Limited is registered
The registered office is in Braintree (CM7), in the Braintree local authority area, East of England. Show CM7 3GB on a map.
Other trade companies in CM7
- Dsdunmowautoscom LimitedMotor traders
- Planners Planning LtdSpecialist contractors
- Am Property Maintenance One LtdPlumbers and heating engineers
- Triple 333 Motors LtdMotor traders
- Shelock & Rose LtdLandscapers and gardeners
- Top in City LtdMotor traders
- Gambell Construction Consultants LtdSpecialist contractors
- ND Commercial Tiling LtdBuilders
Shared registered office
81 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Clean Air Systems & Installations 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 04584560
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 November 2002 (23 years ago)
- Registered office
- 3 Warners Mill, Silks Way, Braintree, Essex, CM7 3GB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 3 April 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
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 Braintree
Other active installation companies (insulation, lifts, shutters and similar) registered in Braintree.
- CM7 Sign Install Ltd2026
- D&G Bespoke Installs Ltd2026
- E. O. Jones Construction Ltd2025
- Eco Facades Limited2009
- Enviro-Therm Insulation Ltd2016
- Essex Drainage Solutions Ltd2021
- FaÇAde Homes Limited2023
- FD Guard Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Braintree · All trades in Braintree · Installers across the UK
Frequently asked questions
When are Clean Air Systems & Installations Limited's accounts due?
Clean Air Systems & Installations Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Clean Air Systems & Installations Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Clean Air Systems & Installations Limited still trading?
Clean Air Systems & Installations 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 Air Systems & Installations Limited do?
Clean Air Systems & Installations Limited is registered under Other construction installation (SIC 43290).
How old is Clean Air Systems & Installations Limited?
Clean Air Systems & Installations Limited was incorporated on 7 November 2002, 23 years ago.
What is the penalty if Clean Air Systems & Installations 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 Air Systems & Installations 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.