- Companies
- Finishing trades
- Southall
- 4Base Construction Ltd
4Base Construction Ltd
- Company number
- 09213424
- Incorporated
- 11 Sep 201412 years trading
- Registered office
- 6 Turing Court, Lovell Road, Southall, UB1 3EX
- Nature of business
- Other building completion and finishing; Landscape service activities
4Base Construction Ltd is a 12-year-old private limited company registered in Southall, company number 09213424, one of 53 building finishing companies in Southall. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for 4Base Construction LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £57K (-61.9%) on the year before, to £35K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £67K against £12K owed within a year: 5.5 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £35K | £67K | £12K | 1 | |
| 30 Sep 2024 | £92K | £139K | £24K | 1 | |
| 30 Sep 2023 | £121K | £171K | £25K | 2 | |
| 30 Sep 2022 | £155K | £222K | 2 | ||
| 30 Sep 2021 | £144K | £209K | £33K | 3 | |
| 30 Sep 2020 | £138K | £167K | £31K | 4 | |
| 30 Sep 2019 | £144K | £169K | £30K | 5 | |
| 30 Sep 2018 | £222K | £296K | £84K | ||
| 30 Sep 2017 | £80K | £122K | £56K | ||
| 30 Sep 2016 | £1,734 | £4,127 | £19K | £18K |
Where 4Base Construction Ltd is registered
The registered office is in Southall (UB1), in the Ealing local authority area, London. Show UB1 3EX on a map.
Other trade companies in UB1
- Kingsbury Roofing & Construction LtdRoofers
- T2Y LtdBuilders
- Driveworx LimitedMotor traders
- Raunak Design and Build LtdBuilders
- Phlo Plumbing & Heating LtdPlumbers and heating engineers
- Airpro Conditioning LimitedPlumbers and heating engineers
- Springfields Property LimitedProperty developers
- Sanndhu Construction UK LtdBuilders
Also registered at this address
1 other company uses the same registered office as 4Base Construction Ltd.
- Simplex Home Developments LtdFinishing trades
What happens if 4Base 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 09213424
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2014 (12 years ago)
- Registered office
- 6 Turing Court, Lovell Road, Southall, UB1 3EX
- Nature of business
- Other building completion and finishing (SIC 43390)
Landscape service activities (SIC 81300) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 6 November 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Southall
Other active building finishing companies registered in Southall.
- 4Ever Constructions Ltd2006
- Aa&J Construction Ltd2022
- Angel Construction Services Ltd2015
- Arick Builder Ltd2017
- Art Fixing Ltd2019
- Ashfords Property Services Limited2021
- Atwal UK Construction Limited2025
- Aurex Studio London Ltd2026
All building finishing companies in Southall · All trades in Southall · Finishing trades across the UK
Frequently asked questions
When are 4Base Construction Ltd's accounts due?
4Base Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is 4Base Construction Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is 4Base Construction Ltd still trading?
4Base 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 4Base Construction Ltd do?
4Base Construction Ltd is registered under Other building completion and finishing (SIC 43390); Landscape service activities (SIC 81300).
How old is 4Base Construction Ltd?
4Base Construction Ltd was incorporated on 11 September 2014, 12 years ago.
What is the penalty if 4Base 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 4Base 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.