- Companies
- Painters and decorators
- London
- Sonex Construction Ltd
Sonex Construction Ltd
- Company number
- 06540474
- Incorporated
- 20 Mar 200818 years trading
- Registered office
- 36 Browning Avenue, Hanwell, London, W7 1EW
- Nature of business
- Painting
Sonex Construction Ltd is a 18-year-old private limited company registered in London, company number 06540474, one of 1,183 painting and decorating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 £11K (+248.8%) on the year before, to £15K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £34K against £14K owed within a year: 2.4 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £15K | £34K | £14K | 2 | |
| 31 Mar 2024 | £4,375 | £29K | £13K | 2 | |
| 31 Mar 2023 | £795 | £27K | £7,176 | 1 | |
| 31 Mar 2022 | £17K | £53K | £11K | 1 | |
| 31 Mar 2021 | £60K | £105K | £16K | 1 | |
| 31 Mar 2020 | £55 | £1,284 | £1,229 | 0 | |
| 31 Mar 2019 | £825 | £5,816 | £4,991 | ||
| 31 Mar 2018 | £7 | £4,367 | £4,360 | ||
| 31 Mar 2017 | £1 | £154 | £153 | ||
| 31 Mar 2016 | £1 | £4,315 | £4,314 |
Where Sonex Construction Ltd is registered
The registered office is in London (W7), in the Ealing local authority area, London. Show W7 1EW on a map.
Other trade companies in W7
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- Acjs Private Cleaning LtdCleaning companies
- Maya Wealth Construction LtdBuilders
- Jem Car LimitedMotor traders
- Primacy Plumbing LimitedPlumbers and heating engineers
- Segunmic Private Compay LimitedCivil engineering
- Asad Al-A'ali Automobiles&TRKS LtdMotor traders
- All Stone Studio LtdFinishing trades
What happens if Sonex Construction 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 06540474
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2008 (18 years ago)
- Registered office
- 36 Browning Avenue, Hanwell, London, W7 1EW
- Nature of business
- Painting (SIC 43341)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 16 March 2026
Filing notes for painting and decorating companies
Decorating companies are usually labour-based micro-entities working for homeowners and contractors, some of it under CIS.
Similar companies in London
Other active painting and decorating companies registered in London.
- Sos Spraying&Repairs Ltd2026
- South London Contractors Ltd2025
- Southwest London Roofing Ltd2025
- SP3 Construction Limited2026
- Spartans Logistics Ltd2025
- SPB Painting and Decorating Ltd2025
- Splash of Paint London Ltd2025
- Splashmaster Painting&Decorating Limited2024
All painting and decorating companies in London · All trades in London · Painters and decorators across the UK
Frequently asked questions
When are Sonex Construction Ltd's accounts due?
Sonex Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Sonex Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sonex Construction Ltd still trading?
Sonex Construction 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 Sonex Construction Ltd do?
Sonex Construction Ltd is registered under Painting (SIC 43341).
How old is Sonex Construction Ltd?
Sonex Construction Ltd was incorporated on 20 March 2008, 18 years ago.
What is the penalty if Sonex Construction 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 Sonex Construction 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.