- Companies
- Joiners and carpenters
- Birmingham
- Obsidian Construction Limited
Obsidian Construction Limited
- Company number
- 09601128
- Incorporated
- 20 May 201511 years trading
- Registered office
- Quest Cma Ltd Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
- Nature of business
- Joinery installation
Obsidian Construction Limited is a 11-year-old private limited company registered in Birmingham, company number 09601128, one of 88 joinery companies in Birmingham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £23K (+24.8%) on the year before, to £115K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £177K against £72K owed within a year: 2.5 times cover.
- 5 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 May 2025 | £115K | £177K | £72K | 5 | |
| 31 May 2024 | £92K | £93K | £9,689 | 5 | |
| 31 May 2023 | £135K | £165K | £40K | 1 | |
| 31 May 2022 | £77K | £57K | £0 | 1 | |
| 31 May 2021 | £12K | £18K | £5,864 | 1 | |
| 31 May 2020 | £179 | £6,006 | £6,602 | 1 | |
| 31 May 2019 | £8,069 | £13K | £5,287 | ||
| 31 May 2018 | £6,868 | £5,928 | £0 | ||
| 31 May 2017 | £15K | £16K | £2,808 | ||
| 31 May 2016 | £4,059 | £8,652 | £6,708 |
Who runs and owns Obsidian Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| L*** L*** | Director | May 2015 |
| S*** D*** | Director | Sep 2023 |
| G*** D*** | Director | May 2026 |
Person with significant control
Where Obsidian Construction Limited is registered
The registered office is in Birmingham (B3), in the Birmingham local authority area, West Midlands. Show B3 1RB on a map.
Other trade companies in B3
- Claim Back LtdMechanics and garages
- G.Monie Auto LimitedMotor traders
- Contegra Technical Services LimitedCleaning companies
- Jorah LimitedPainters and decorators
- JDL Solar LimitedElectricians
- Nexafitout LtdBuilders
- Drivenglobaluk LtdMotor traders
- Studio Edge LtdInstallers
Also registered at this address
1 other company uses the same registered office as Obsidian Construction Limited.
- KL Construction (UK) LimitedInstallers
What happens if Obsidian Construction Limited 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 09601128
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2015 (11 years ago)
- Registered office
- Quest Cma Ltd Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 20 May 2026
- Previous names
- Refined Interiors Limited (until 8 Jun 2023)
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Birmingham
Other active joinery companies registered in Birmingham.
- Ontime Interior Solutions Ltd2026
- Padget Ltd2016
- Pivot Interiors Limited2022
- Reehal Kitchen Bedrooms Limited2016
- Refined Carpentry & Joinery Ltd2024
- Revolution Walls and Floors Limited2026
- Revolution X Exhibitions Ltd2013
- Safehand Shutter & Shopfront Limited2025
All joinery companies in Birmingham · All trades in Birmingham · Joiners and carpenters across the UK
Frequently asked questions
When are Obsidian Construction Limited's accounts due?
Obsidian Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Obsidian Construction Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Obsidian Construction Limited still trading?
Obsidian Construction Limited 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 Obsidian Construction Limited do?
Obsidian Construction Limited is registered under Joinery installation (SIC 43320).
How old is Obsidian Construction Limited?
Obsidian Construction Limited was incorporated on 20 May 2015, 11 years ago.
Who runs Obsidian Construction Limited?
Obsidian Construction Limited has 3 active directors, the longest-serving appointed in May 2015. Their names and service addresses are on the Companies House register.
Who owns Obsidian Construction Limited?
One person or company has significant control of Obsidian Construction Limited: an individual (owns 75% or more of the shares).
What is the penalty if Obsidian Construction Limited 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 Obsidian Construction Limited 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.