- Companies
- Installers
- Luton
- MK1 Building Ltd.
MK1 Building Ltd.
- Company number
- 09126985
- Incorporated
- 11 Jul 201412 years trading
- Registered office
- 66A Berkeley Path, Luton, LU2 0TS
- Nature of business
- Other construction installation
MK1 Building Ltd. is a 12-year-old private limited company registered in Luton, company number 09126985, one of 110 installation companies (insulation, lifts, shutters and similar) in Luton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £540 (-76.8%) on the year before, to £163.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1,784 against £1,621 owed within a year: 1.1 times cover.
- 1 employee 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 Jul 2025 | £163 | £1,092 | £1,784 | £1,621 | 1 |
| 31 Jul 2024 | £703 | £741 | £2,337 | £1,634 | 1 |
| 31 Jul 2023 | £910 | £810 | £2,153 | £1,243 | 1 |
| 31 Jul 2022 | £2,779 | £62 | £3,737 | £958 | 1 |
| 31 Jul 2021 | £1,833 | £914 | £2,574 | £741 | 1 |
| 31 Jul 2020 | £1,501 | £2,133 | £2,254 | £753 | 0 |
| 31 Jul 2019 | £1,116 | £1,838 | £1,838 | £722 | 1 |
| 31 Jul 2018 | £841 | £2,145 | £2,145 | £1,304 | 1 |
| 31 Jul 2017 | £1 | £1 | |||
| 31 Jul 2016 | £1 | £1 |
Where MK1 Building Ltd. is registered
The registered office is in Luton (LU2), in the Luton local authority area, East of England. Show LU2 0TS on a map.
Other trade companies in LU2
- Arihant Property Solutions LtdProperty developers
- Prime Pest and Clean LimitedCleaning companies
- QVP Construction LtdBuilders
- Krozy Cleaninig Services LtdCleaning companies
- Iron Clad Construction Devon LimitedBuilders
- Tmi Motors LimitedMechanics and garages
- Scorpion Recovery LtdMechanics and garages
- Cos Plastering LtdBuilders
What happens if MK1 Building 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 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
- 09126985
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 July 2014 (12 years ago)
- Registered office
- 66A Berkeley Path, Luton, LU2 0TS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 11 July 2026
- Previous names
- MK1 Building Limited (until 6 Aug 2019)
Ram Jo Construction Limited (until 18 Jul 2019)
Amjd Construction Limited (until 14 Jul 2014)
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 Luton
Other active installation companies (insulation, lifts, shutters and similar) registered in Luton.
- Monaghan Decorators Ltd2026
- Mutu Construction Ltd2023
- N.S. Cladding Solutions Ltd2025
- Noir Private Ltd2021
- North Star Renovating Limited2016
- NP FTS Ltd2023
- P&M Windows Limited2017
- Pascam Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Luton · All trades in Luton · Installers across the UK
Frequently asked questions
When are MK1 Building Ltd.'s accounts due?
MK1 Building Ltd.'s next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is MK1 Building Ltd.'s CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is MK1 Building Ltd. still trading?
MK1 Building 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 MK1 Building Ltd. do?
MK1 Building Ltd. is registered under Other construction installation (SIC 43290).
How old is MK1 Building Ltd.?
MK1 Building Ltd. was incorporated on 11 July 2014, 12 years ago.
What is the penalty if MK1 Building 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 MK1 Building 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.