- Companies
- Installers
- Southampton
- Astro Air Conditioning Ltd
Astro Air Conditioning Ltd
- Company number
- 04984906
- Incorporated
- 4 Dec 200322 years trading
- Registered office
- 48 Hickory Gardens, West End, Southampton, Hampshire, SO30 5RN
- Nature of business
- Other construction installation
Astro Air Conditioning Ltd is a 22-year-old private limited company registered in Southampton, company number 04984906, one of 132 installation companies (insulation, lifts, shutters and similar) in Southampton. 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 down £16K (-47.3%) on the year before, to £18K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £23K against £6,193 owed within a year: 3.7 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £18K | £23K | £6,193 | 1 | |
| 31 Dec 2024 | £34K | £38K | £5,713 | 1 | |
| 31 Dec 2023 | £47K | £55K | £11K | 1 | |
| 31 Dec 2022 | £40K | £48K | £12K | 1 | |
| 31 Dec 2021 | £31K | £34K | £7,554 | 1 | |
| 31 Dec 2020 | £37K | £71K | £8,230 | 1 | |
| 31 Dec 2019 | £45K | £46K | £6,541 | ||
| 31 Dec 2018 | £59K | £68K | £17K | ||
| 31 Dec 2017 | £48K | £56K | £17K | ||
| 31 Dec 2016 | £41K | £27K | £49K | £20K |
Where Astro Air Conditioning Ltd is registered
The registered office is in Southampton (SO30), in the Eastleigh local authority area, England. Show SO30 5RN on a map.
Other trade companies in SO30
- Masters Vehicle Solutions LtdMechanics and garages
- JG Projects 02 LtdFinishing trades
- GW Installations LimitedGlaziers
- Winterstone Systems LtdElectricians
- Stay Sure Drives and Patios LtdLandscapers and gardeners
- Epc Upgrade Group LtdElectricians
- Ross Maynard Projects LtdProperty developers
- Picca Compliance LimitedElectricians
What happens if Astro Air Conditioning 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
- 04984906
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2003 (22 years ago)
- Registered office
- 48 Hickory Gardens, West End, Southampton, Hampshire, SO30 5RN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 December 2025
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 Southampton
Other active installation companies (insulation, lifts, shutters and similar) registered in Southampton.
- Automated Gate and Door Services Limited1989
- Bailey Construction Services Limited2019
- Barav Traders Ltd2026
- Blockbuild.Co.UK Ltd2019
- Bmdmihai Ltd2025
- BRH Services Ltd2024
- C. Thorne Building Ltd2016
- Clearview Window Systems Limited1997
All installation companies (insulation, lifts, shutters and similar) in Southampton · All trades in Southampton · Installers across the UK
Frequently asked questions
When are Astro Air Conditioning Ltd's accounts due?
Astro Air Conditioning 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 Astro Air Conditioning 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 Astro Air Conditioning Ltd still trading?
Astro Air Conditioning 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 Astro Air Conditioning Ltd do?
Astro Air Conditioning Ltd is registered under Other construction installation (SIC 43290).
How old is Astro Air Conditioning Ltd?
Astro Air Conditioning Ltd was incorporated on 4 December 2003, 22 years ago.
What is the penalty if Astro Air Conditioning 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 Astro Air Conditioning 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.