- Company number
- 11817133
- Incorporated
- 11 Feb 20197 years trading
- Registered office
- 48 Maple Avenue, London, E4 8RR
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing; Other specialised construction activities n.e.c.
Arm Construction Ltd is a 7-year-old private limited company registered in London, company number 11817133, 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 £13K on the year before, to -£13K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £389 against £7,252 owed within a year: 0.1 times cover.
- 4 employees on average, up from 0 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£13K | £389 | £389 | £7,252 | 4 |
| 31 Mar 2024 | £248 | £2,353 | £11K | £4,862 | 0 |
| 31 Mar 2023 | £355 | £8,936 | £2,496 | 2 | |
| 31 Mar 2022 | £371 | £203 | £2,660 | 2 | |
| 28 Feb 2021 | £524 | £213 | £2,013 | 1 | |
| 29 Feb 2020 | -£111 | -£75 | £36 | 0 |
Where Arm Construction Ltd is registered
The registered office is in London (E4), in the Waltham Forest local authority area, London. Show E4 8RR on a map.
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What happens if Arm 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
- 11817133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2019 (7 years ago)
- Registered office
- 48 Maple Avenue, London, E4 8RR
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 February 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 London
Other active building contractors registered in London.
- Arm London Limited2018
- Arma Piling Ltd2018
- Arman Construction Ltd2020
- Armandopro Limited2026
- Armasur World Trading Ltd2014
- Armley Decorating Contractors Ltd2020
- Armm Limited2019
- Armo Constructions Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Arm Construction Ltd's accounts due?
Arm 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 Arm 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 Arm Construction Ltd still trading?
Arm 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 Arm Construction Ltd do?
Arm Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Arm Construction Ltd?
Arm Construction Ltd was incorporated on 11 February 2019, 7 years ago.
What is the penalty if Arm 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 Arm 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.