- Companies
- Plumbers and heating engineers
- Uxbridge
- Air and Sound Compliance Ltd
Air and Sound Compliance Ltd
- Company number
- 14535381
- Incorporated
- 12 Dec 20223 years trading
- Registered office
- 82 Floriston Avenue, Uxbridge, UB10 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation; Technical testing and analysis
Air and Sound Compliance Ltd is a 3-year-old private limited company registered in Uxbridge, company number 14535381, one of 55 plumbing and heating companies in Uxbridge. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 up £5,701 (+273.3%) on the year before, to £3,615.
- Current assets of £28K against £38K owed within a year: 0.7 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 3 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £3,615 | £28K | £38K | 2 | |
| 31 Mar 2025 | -£2,086 | £12K | £32K | 0 | |
| 31 Dec 2023 | £100 | £100 |
Where Air and Sound Compliance Ltd is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 9EB on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
What happens if Air and Sound Compliance 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14535381
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2022 (3 years ago)
- Registered office
- 82 Floriston Avenue, Uxbridge, UB10 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Technical testing and analysis (SIC 71200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 11 December 2025
- Previous names
- Air Tightness Testing Services Limited (until 21 Mar 2023)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Uxbridge
Other active plumbing and heating companies registered in Uxbridge.
- Alpha Solar Ltd2021
- Ambient Green Ltd2011
- Anglian Renewables Ltd2019
- B Singh Plumbing & Heating Ltd2019
- Blue Flame Heating & Plumbing Care Ltd2025
- Boilercare Cover Ltd2026
- Capital Heating Limited1995
- Celsius Climate Solutions Limited2020
All plumbing and heating companies in Uxbridge · All trades in Uxbridge · Plumbers and heating engineers across the UK
Frequently asked questions
When are Air and Sound Compliance Ltd's accounts due?
Air and Sound Compliance Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Air and Sound Compliance Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Air and Sound Compliance Ltd still trading?
Air and Sound Compliance 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 Air and Sound Compliance Ltd do?
Air and Sound Compliance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Technical testing and analysis (SIC 71200).
How old is Air and Sound Compliance Ltd?
Air and Sound Compliance Ltd was incorporated on 12 December 2022, 3 years ago.
What is the penalty if Air and Sound Compliance 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 Air and Sound Compliance 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.