- Companies
- Machinery repair and installation
- Cardiff
- Advance Air Limited
Advance Air Limited
- Company number
- 03663853
- Incorporated
- 9 Nov 199827 years trading
- Registered office
- 374 Cowbridge Road East, Canton, Cardiff, CF5 1JJ
- Nature of business
- Repair of electrical equipment
Advance Air Limited is a 27-year-old private limited company registered in Cardiff, company number 03663853, one of 137 machinery repair and installation companies in Cardiff. 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 £674K (-48.8%) on the year before, to £706K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1M against £566K owed within a year: 1.8 times cover.
- 25 employees on average during the year.
- 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 | £706K | £773K | £1M | £566K | 25 |
| 30 Nov 2024 | £1.4M | £1.4M | £1.9M | £802K | 25 |
| 30 Nov 2023 | £1.2M | £1.3M | £1.5M | £594K | 23 |
| 30 Nov 2022 | £1.1M | £1.3M | £1.7M | £799K | 23 |
| 30 Nov 2021 | £735K | £1.2M | £1.3M | £637K | 32 |
| 30 Nov 2020 | £608K | £1M | £1.1M | £639K | 28 |
| 30 Nov 2019 | £438K | £598K | £728K | £418K | 29 |
| 30 Nov 2018 | £222K | £366K | £511K | £394K | |
| 30 Nov 2017 | £286K | £370K | £553K | £369K | |
| 30 Nov 2016 | £273K | £360K | £538K | £371K |
Where Advance Air Limited is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 1JJ on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
12 other companies use the same registered office as Advance Air Limited.
- A B K Property (South Wales) LimitedProperty developers
- Atlas Contracting LtdProperty developers
- C.A.B. Heating & Plumbing LimitedMachinery repair and installation
- Cactus Renovations LtdProperty developers
- Cardiff Pitched Roofing LtdRoofers
- Dragon Air Conditioning (Service) LimitedMachinery repair and installation
- Gabe Electrical LtdElectricians
- Gabe Electrical South Wales LtdElectricians
- R & D Fencing LimitedLandscapers and gardeners
- S T Kelly Construction LimitedProperty developers
- Smiths Transport Services LimitedMachinery repair and installation
- Valley Dragon Sprinklers LtdSpecialist contractors
What happens if Advance Air 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
- 03663853
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 November 1998 (27 years ago)
- Registered office
- 374 Cowbridge Road East, Canton, Cardiff, CF5 1JJ
- Nature of business
- Repair of electrical equipment (SIC 33140)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 31 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Cardiff
Other active machinery repair and installation companies registered in Cardiff.
- Aerosmw13 Ltd2025
- Aerospark Limited2025
- Agrokombinat Dzerzhinsky Limited2026
- Al Jelani Machinery Ltd2019
- Allied Mechanical Engineering Limited2002
- Arundell Marine Solutions Limited2014
- Astraforce Limited1997
- Autosounds Limited2004
All machinery repair and installation companies in Cardiff · All trades in Cardiff · Machinery repair and installation across the UK
Frequently asked questions
When are Advance Air Limited's accounts due?
Advance Air 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 Advance Air 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 Advance Air Limited still trading?
Advance Air 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 Advance Air Limited do?
Advance Air Limited is registered under Repair of electrical equipment (SIC 33140).
How old is Advance Air Limited?
Advance Air Limited was incorporated on 9 November 1998, 27 years ago.
What is the penalty if Advance Air 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 Advance Air 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.