- Companies
- Installers
- Hemel Hempstead
- M1 Builder Ltd
M1 Builder Ltd
- Company number
- 16555585
- Incorporated
- 2 Jul 20251 year trading
- Registered office
- 4 Celeste Way, Hemel Hempstead, HP2 7PU
- Nature of business
- Other construction installation
M1 Builder Ltd is a 1-year-old private limited company registered in Hemel Hempstead, company number 16555585, one of 74 installation companies (insulation, lifts, shutters and similar) in Hemel Hempstead. Its next accounts are due at Companies House on 2 April 2027, and its first CT600 is due at HMRC on 1 July 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where M1 Builder Ltd is registered
The registered office is in Hemel Hempstead (HP2), in the Dacorum local authority area, East of England. Show HP2 7PU on a map.
Other trade companies in HP2
- Prime Carpet Cleaning Experts LtdCleaning companies
- House to Home Builders LtdBuilders
- Gabriel Curic LtdCivil engineering
- Morya Holdings LtdProperty developers
- Construction by Nick LtdSpecialist contractors
- Ayzat Cleaning Solutions LimitedCleaning companies
- Thompsons Prowash LtdCleaning companies
- Herts Paving & Landscapes LtdSpecialist contractors
What happens if M1 Builder 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 2 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Apr 2027 to 2 May 2027 | £150 |
| 1 to 3 months late | 3 May 2027 to 2 Jul 2027 | £375 |
| 3 to 6 months late | 3 Jul 2027 to 2 Oct 2027 | £750 |
| More than 6 months late | From 3 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16555585
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 July 2025 (1 year ago)
- Registered office
- 4 Celeste Way, Hemel Hempstead, HP2 7PU
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 1 July 2026
- Previous names
- New Systems Construction Ltd (until 8 Jun 2026)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Hemel Hempstead
Other active installation companies (insulation, lifts, shutters and similar) registered in Hemel Hempstead.
- Mars Rigging Ltd2025
- Mayflower Ceiling Services Limited2003
- Maz Glazing Ltd2023
- Mdaf Construction Limited2024
- Meiw Limited2025
- MJH Plastering Ltd2024
- MJL Contract Management Ltd2025
- Mondo Perfecto Ltd2016
All installation companies (insulation, lifts, shutters and similar) in Hemel Hempstead · All trades in Hemel Hempstead · Installers across the UK
Frequently asked questions
When are M1 Builder Ltd's accounts due?
M1 Builder Ltd's next accounts are due at Companies House by 2 April 2027 (in 172 days), covering the period to 31 July 2026.
When is M1 Builder Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 1 July 2026, due by 1 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is M1 Builder Ltd still trading?
M1 Builder 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 M1 Builder Ltd do?
M1 Builder Ltd is registered under Other construction installation (SIC 43290).
How old is M1 Builder Ltd?
M1 Builder Ltd was incorporated on 2 July 2025, 1 year ago.
What is the penalty if M1 Builder 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 M1 Builder 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.