- Company number
- 14615050
- Incorporated
- 24 Jan 20233 years trading
- Registered office
- 18 Harebell Terrace, Barking, IG11 0WX
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other construction installation
Ion.External Walls Limited is a 3-year-old private limited company registered in Barking, company number 14615050, one of 326 building contractors in Barking. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £473 (+100.2%) on the year before, to £1.
- Current assets of £12K against £12K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1 | £9,676 | £12K | £12K | 1 |
| 31 Jan 2024 | -£472 | £368 | £7,420 | £7,892 | 1 |
Where Ion.External Walls Limited is registered
The registered office is in Barking (IG11), in the Barking and Dagenham local authority area, London. Show IG11 0WX on a map.
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Also registered at this address
1 other company uses the same registered office as Ion.External Walls Limited.
- N&G Walls LtdBuilders
What happens if Ion.External Walls 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14615050
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2023 (3 years ago)
- Registered office
- 18 Harebell Terrace, Barking, IG11 0WX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 23 January 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Barking
Other active building contractors registered in Barking.
- Isaac GM Limited2020
- J & J Unique Services Limited2022
- Jha Renovations Ltd2024
- Jimmy Inspiration Ltd2026
- JPB Construction Co. Ltd2020
- JT&Z Construction Company Ltd2024
- Junayath Ltd2026
- Justino Drylinning Company Limited2023
All building contractors in Barking · All trades in Barking · Builders across the UK
Frequently asked questions
When are Ion.External Walls Limited's accounts due?
Ion.External Walls Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Ion.External Walls Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Ion.External Walls Limited still trading?
Ion.External Walls 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 Ion.External Walls Limited do?
Ion.External Walls Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Ion.External Walls Limited?
Ion.External Walls Limited was incorporated on 24 January 2023, 3 years ago.
What is the penalty if Ion.External Walls 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 Ion.External Walls 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.