- Company number
- 15581630
- Incorporated
- 21 Mar 20242 years trading
- Registered office
- Unit 2.15 Barley Mow Centre, 10 Barley Mow Passage, London, W4 4PH
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Own London Projects Ltd is a 2-year-old private limited company registered in London, company number 15581630, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Own London Projects LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Own London Projects Ltd is registered
The registered office is in London (W4), in the Hounslow local authority area, London. Show W4 4PH on a map.
Other trade companies in W4
- Pro-Tech Roofers LtdRoofers
- JRB Electrical (London) LimitedElectricians
- CJP Electrical Services LtdElectricians
- Signature Sparks LtdElectricians
- Greyform Property Solutions LtdSpecialist contractors
- Grace Garden Design LimitedLandscapers and gardeners
- Soni Plumbing-Gas LtdPlumbers and heating engineers
- Ek Carsales LtdMotor traders
Also registered at this address
5 other companies use the same registered office as Own London Projects Ltd.
- Cloud Free Windows LimitedProperty developers
- Domotek LimitedBuilders
- Octobilt LtdSpecialist contractors
- Own Services LtdProperty developers
- Peter Vastardis LimitedProperty developers
What happens if Own London Projects 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15581630
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2024 (2 years ago)
- Registered office
- Unit 2.15 Barley Mow Centre, 10 Barley Mow Passage, London, W4 4PH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 29 April 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 London
Other active building contractors registered in London.
- Owy Construction Ltd2025
- Ox WRX Ltd2019
- Oxconstruction Ltd2026
- Oxd Design & Build Studio Ltd2026
- Oxda Construction Limited2021
- Oxfordwindowrepaircompany Ltd2021
- Oxmount Ltd2020
- Ozan & Cengiz CC Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Own London Projects Ltd's accounts due?
Own London Projects Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Own London Projects Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Own London Projects Ltd still trading?
Own London Projects 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 Own London Projects Ltd do?
Own London Projects Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Own London Projects Ltd?
Own London Projects Ltd was incorporated on 21 March 2024, 2 years ago.
What is the penalty if Own London Projects 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 Own London Projects 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.