- Company number
- 09792896
- Incorporated
- 24 Sep 201511 years trading
- Registered office
- International House, 142 Cromwell Road, London, SW7 4EF
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Obsidian Development Properties Limited is a 11-year-old private limited company registered in London, company number 09792896, one of 12,075 building contractors in London. 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 up £8,894 (+12.5%) on the year before, to £80K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £71K against £6,649 owed within a year: more than 10 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £80K | £71K | £6,649 | 2 | |
| 30 Sep 2024 | £71K | £82K | £7,347 | 2 | |
| 30 Sep 2023 | £159K | £90K | £9,317 | 2 | |
| 30 Sep 2022 | £201K | £111K | £1,617 | 2 | |
| 30 Sep 2021 | £119K | £42K | £9,317 | 2 | |
| 30 Sep 2020 | £85K | £101K | £725 | 2 | |
| 30 Sep 2019 | £143K | £7,619 | £235K | 2 | |
| 30 Sep 2018 | £138K | £3,010 | £235K | ||
| 30 Sep 2017 | £142K | £35K | £8,463 | ||
| 30 Sep 2016 | £2 | £0 | £0 |
Where Obsidian Development Properties Limited is registered
The registered office is in London (SW7), in the Kensington and Chelsea local authority area, London. Show SW7 4EF on a map.
Other trade companies in SW7
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- Westbourne Gardens LimitedProperty developers
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- Ashcombe Projects LtdBuilders
- WM Shelfco5 LimitedProperty developers
- Platinum Electrical Systems LimitedElectricians
- Vertex Finishes LtdFinishing trades
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Also registered at this address
20 other companies use the same registered office as Obsidian Development Properties Limited.
- Aardvark Projects LimitedBuilders
- Ashcombe Projects LtdBuilders
- Barry's Luxe Decorating LtdPainters and decorators
- Bernard Andrews Roofing LimitedRoofers
- Blue Knight Cleaning Services LimitedCleaning companies
- Boutique.Yachts LtdMachinery repair and installation
- Car Body Repairs LtdMechanics and garages
- Compass Electrical Controls LimitedElectricians
- Ezzy Bespoke Interiors LtdJoiners and carpenters
- Icleangroup LtdCleaning companies
- Loka Homes LimitedProperty developers
- Londi Facilities Management LtdFacilities management
- London Installations LimitedPlumbers and heating engineers
- Op10 Properties LtdProperty developers
- Pestology LimitedSpecialist contractors
- Ram Auto Group LtdMotor traders
- Revamp London LtdFinishing trades
- Revive Brick Cleaning LtdBuilders
- Vertex Finishes LtdFinishing trades
- Woodside Design & Manufacture LtdJoiners and carpenters
What happens if Obsidian Development Properties 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 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
- 09792896
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2015 (11 years ago)
- Registered office
- International House, 142 Cromwell Road, London, SW7 4EF
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 23 September 2025
- Charges (mortgages)
- 0 outstanding of 3 registered
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.
- Obua Services Ltd2025
- Ocean Construction Services Ltd2022
- Ocean Property Developers Limited2012
- Oceana Construction Ltd2019
- Oceandeep Limited2006
- Ochir Construction Ltd2024
- Ocj Contracting Ltd2016
- Ocp Construction Projects Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Obsidian Development Properties Limited's accounts due?
Obsidian Development Properties Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Obsidian Development Properties Limited'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 Obsidian Development Properties Limited still trading?
Obsidian Development Properties Limited is listed as active on the Companies House register (checked 12 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 Development Properties Limited do?
Obsidian Development Properties Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Obsidian Development Properties Limited?
Obsidian Development Properties Limited was incorporated on 24 September 2015, 11 years ago.
What is the penalty if Obsidian Development Properties 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 Development Properties Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.