- Company number
- 08085903
- Incorporated
- 28 May 201214 years trading
- Registered office
- 11 Arnould Avenue, London, SE5 8AU
- Nature of business
- Construction of domestic buildings
Arbnor Ltd is a 14-year-old private limited company registered in London, company number 08085903, one of 12,075 building contractors 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 down £5,912 (-11.4%) on the year before, to £46K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £47K against £41K owed within a year: 1.2 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 | £46K | £47K | £41K | 2 | |
| 31 Mar 2024 | £52K | £35K | £23K | 2 | |
| 31 Mar 2023 | £67K | £69K | £8,750 | 2 | |
| 31 May 2022 | £68K | £78K | £14K | 3 | |
| 31 May 2021 | £91K | £69K | £8,563 | 4 | |
| 31 May 2020 | £101K | £25K | £13K | 5 | |
| 31 May 2019 | £109K | £73K | £8,013 | ||
| 31 May 2018 | £145K | £141K | £33K | ||
| 31 May 2017 | £60K | £67K | £82K | £22K | |
| 31 May 2016 | £33K | £35K | £42K | £8,449 |
Where Arbnor Ltd is registered
The registered office is in London (SE5), in the Southwark local authority area, London. Show SE5 8AU on a map.
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- Southwark African Family Support Services (Safss) LtdCleaning companies
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What happens if Arbnor 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
- 08085903
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 2012 (14 years ago)
- Registered office
- 11 Arnould Avenue, London, SE5 8AU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 December 2025
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 London
Other active building contractors registered in London.
- Arc Developments London Ltd2023
- Arc Facilities Limited2016
- Arca Design & Construction Group Ltd2025
- Arcadia Europe Limited2020
- Arcadian Ltd2013
- Arch Design and Build Ltd2023
- Arch VC Ltd2025
- Arch X Building Limited2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Arbnor Ltd's accounts due?
Arbnor 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 Arbnor 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 Arbnor Ltd still trading?
Arbnor 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 Arbnor Ltd do?
Arbnor Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Arbnor Ltd?
Arbnor Ltd was incorporated on 28 May 2012, 14 years ago.
What is the penalty if Arbnor 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 Arbnor 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.