Company profile · Builders
Thirdborn Power Concepts Ltd
Thirdborn Power Concepts Ltd is a 11-year-old private limited company registered in Barking, company number 09661035, one of 326 building contractors in Barking. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 Thirdborn Power Concepts 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 30 June 2025, as filed at Companies House.
Thirdborn Power Concepts Ltd over the years
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 unchanged on the year before, at £17K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £17K | £105 | 1 | ||
| 30 Jun 2024 | £17K | £105 | £0 | 1 | |
| 30 Jun 2023 | £18K | £105 | £625 | 1 | |
| 30 Jun 2022 | £19K | £108 | £625 | 1 | |
| 30 Jun 2021 | £9,710 | £33K | £200 | 1 | |
| 30 Jun 2020 | £15K | £41K | £1,127 | 1 | |
| 30 Jun 2019 | £13K | £15K | £2,580 | ||
| 30 Jun 2018 | £8,569 | £8,818 | £849 | ||
| 30 Jun 2017 | £7,382 | £767 | £6,706 | £224 | |
| 30 Jun 2016 | £6,472 | £6,087 | £815 |
Where Thirdborn Power Concepts Ltd is registered
The registered office is in Barking (IG11), in the Barking and Dagenham local authority area, London. Show IG11 0UX on a map.
Other trade companies in IG11
- Handikeep LimitedJoiners and carpenters
- Bright2Shine LtdCleaning companies
- Fage Adviser LtdSpecialist contractors
- Slouy LtdRoofers
- MMG Corp LimitedMotor traders
- M&K Autocare LtdMechanics and garages
- Z & L Metal & Vehicle Global Trading LtdMotor traders
- Es Automotives LtdMotor traders
What happens if Thirdborn Power Concepts 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 09661035
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2015 (11 years ago)
- Registered office
- Flat 22 Breacher House, 3 Handley Page Road, Barking, IG11 0UX
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 29 June 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 Barking
Other active building contractors registered in Barking.
- Thornco Co. Ltd2008
- Tobli Builders Ltd2020
- Toffee Group Ltd2024
- Toni Builder Ltd2024
- Top Brother's Group Ltd2021
- Top Quality Drylining Limited2024
- Topbuild Support Ltd2024
- TRC Drylining Ltd2019
All building contractors in Barking · All trades in Barking · Builders across the UK
Frequently asked questions
When are Thirdborn Power Concepts Ltd's accounts due?
Thirdborn Power Concepts Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Thirdborn Power Concepts Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Thirdborn Power Concepts Ltd still trading?
Thirdborn Power Concepts 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 Thirdborn Power Concepts Ltd do?
Thirdborn Power Concepts Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Thirdborn Power Concepts Ltd?
Thirdborn Power Concepts Ltd was incorporated on 29 June 2015, 11 years ago.
What is the penalty if Thirdborn Power Concepts 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 Thirdborn Power Concepts 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.