- Companies
- Installers
- Carshalton
- Alex Junior Ltd
Alex Junior Ltd
- Company number
- 08280532
- Incorporated
- 5 Nov 201213 years trading
- Registered office
- 9 Ruskin Road, Carshalton, Surrey, SM5 3DD
- Nature of business
- Other construction installation; Other building completion and finishing
Alex Junior Ltd is a 13-year-old private limited company registered in Carshalton, company number 08280532, one of 15 installation companies (insulation, lifts, shutters and similar) in Carshalton. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 up £364 (+27.2%) on the year before, to £1,704.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Mar 2025 | £1,704 | £6,054 | 0 | ||
| 30 Mar 2024 | £1,340 | £11K | 0 | ||
| 31 Mar 2023 | £854 | £17K | 0 | ||
| 31 Mar 2022 | £246 | £22K | £0 | 2 | |
| 31 Mar 2021 | £357 | £29K | £4,000 | 4 | |
| 31 Mar 2020 | £382 | £20K | £20K | 4 | |
| 31 Mar 2019 | £368 | £18K | £17K | ||
| 31 Mar 2018 | £652 | £17K | £17K | ||
| 31 Mar 2017 | £157 | £23K | £23K | ||
| 31 Mar 2016 | £178 | £19K | £19K |
Where Alex Junior Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 3DD on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if Alex Junior 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 08280532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2012 (13 years ago)
- Registered office
- 9 Ruskin Road, Carshalton, Surrey, SM5 3DD
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 October 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 Carshalton
Other active installation companies (insulation, lifts, shutters and similar) registered in Carshalton.
- Amz Building Services Limited2016
- Az Building Projects Ltd2017
- Bijan Joinery Ltd2012
- DJH Site Services Limited2025
- Imperium Building Systems Limited2014
- Ion Fire Stopping Ltd2026
- Jungle Bee Ltd2019
- MW Building and Landscapes Limited2015
All installation companies (insulation, lifts, shutters and similar) in Carshalton · All trades in Carshalton · Installers across the UK
Frequently asked questions
When are Alex Junior Ltd's accounts due?
Alex Junior Ltd's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Alex Junior Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Alex Junior Ltd still trading?
Alex Junior 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 Alex Junior Ltd do?
Alex Junior Ltd is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Alex Junior Ltd?
Alex Junior Ltd was incorporated on 5 November 2012, 13 years ago.
What is the penalty if Alex Junior 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 Alex Junior 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.