- Companies
- Builders
- Hemel Hempstead
- Asm Construction Ltd
Asm Construction Ltd
- Company number
- 12219280
- Incorporated
- 21 Sep 20197 years trading
- Registered office
- 9 Howe Road, Hemel Hempstead, HP3 9JN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Plumbing, heat and air-conditioning installation
Asm Construction Ltd is a 7-year-old private limited company registered in Hemel Hempstead, company number 12219280, one of 233 building contractors in Hemel Hempstead. 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.
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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 £36K (-165.1%) on the year before, to -£14K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £9,266 against £951 owed within a year: 9.7 times cover.
- 2 employees on average, down from 3 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£14K | £9,266 | £951 | 2 | |
| 30 Sep 2024 | £22K | £9,072 | £1,373 | 3 | |
| 30 Sep 2023 | £27K | £6,450 | £0 | 2 | |
| 30 Sep 2022 | £29K | £8,476 | £131 | 2 | |
| 30 Sep 2021 | £19K | £18K | £81 | 2 | |
| 30 Sep 2020 | £11K | £26K | £762 | 1 |
Where Asm Construction Ltd is registered
The registered office is in Hemel Hempstead (HP3), in the Dacorum local authority area, East of England. Show HP3 9JN on a map.
Other trade companies in HP3
- G-Force Plumbing & Heating Contractors LimitedPlumbers and heating engineers
- Primeline Property Solutions LtdRoofers
- Elite Roof Repairs LtdRoofers
- Connor Air LimitedPlumbers and heating engineers
- Irv Services LtdInstallers
- Herts Number Plates LtdMotor traders
- RH Design and Electrical LtdBuilders
- Ejc Plumbing LtdPlumbers and heating engineers
What happens if Asm 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
- 12219280
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2019 (7 years ago)
- Registered office
- 9 Howe Road, Hemel Hempstead, HP3 9JN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 1 March 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 Hemel Hempstead
Other active building contractors registered in Hemel Hempstead.
- Aurizz Constructions Ltd2026
- Barton Corporation Ltd2001
- Bastion Construction Ltd2015
- BBB(London) Limited2013
- Belko Contractors Ltd2007
- Ben Balika Construction Ltd2023
- Bennett Services Ltd2024
- Berkhamsted Construction Ltd2013
All building contractors in Hemel Hempstead · All trades in Hemel Hempstead · Builders across the UK
Frequently asked questions
When are Asm Construction Ltd's accounts due?
Asm 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 Asm 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 Asm Construction Ltd still trading?
Asm 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 Asm Construction Ltd do?
Asm Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Asm Construction Ltd?
Asm Construction Ltd was incorporated on 21 September 2019, 7 years ago.
What is the penalty if Asm 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 Asm 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.