- Companies
- Groundworks and demolition
- Thirds Construction Limited
Thirds Construction Limited
- Company number
- 06356041
- Incorporated
- 30 Aug 200719 years trading
- Registered office
- 100 Coney Hill Road, Gloucester, GL4 4LU
- Nature of business
- Site preparation
Thirds Construction Limited is a 19-year-old private limited company, company number 06356041, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £14K on the year before, to £15K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £14K against £9,992 owed within a year: 1.4 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £15K | £14K | £9,992 | 1 | |
| 29 Feb 2024 | £450 | £8,290 | £9,081 | 1 | |
| 28 Feb 2023 | £730 | £8,327 | £8,915 | 1 | |
| 28 Feb 2022 | £653 | £15K | £6,633 | 1 | |
| 28 Feb 2021 | -£1,624 | £9,256 | £2,820 | 1 | |
| 29 Feb 2020 | £2,742 | £7,800 | £5,528 | 1 | |
| 28 Feb 2019 | £6,854 | £15K | £9,016 | ||
| 28 Feb 2018 | £8,036 | £18K | £11K | ||
| 28 Feb 2017 | £2,122 | £14K | £13K | ||
| 29 Feb 2016 | £1,241 | £320 | £13K | £12K |
Where Thirds Construction Limited is registered
The registered office is in the GL4 postcode district, in the Gloucester local authority area, South West. Show GL4 4LU on a map.
Other trade companies in GL4
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- Tarin Construction LtdFinishing trades
- Suli Builder LtdFinishing trades
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- Movro LtdMotor traders
- Westline Auto LtdMechanics and garages
- Merry Heart Cleaning Services LtdCleaning companies
- Elite Heating and Plumbing LimitedPlumbers and heating engineers
What happens if Thirds 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 06356041
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 August 2007 (19 years ago)
- Registered office
- 100 Coney Hill Road, Gloucester, GL4 4LU
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 31 August 2025
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies
Other active groundworks and demolition companies.
Frequently asked questions
When are Thirds Construction Limited's accounts due?
Thirds Construction Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Thirds Construction Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Thirds Construction Limited still trading?
Thirds Construction 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 Thirds Construction Limited do?
Thirds Construction Limited is registered under Site preparation (SIC 43120).
How old is Thirds Construction Limited?
Thirds Construction Limited was incorporated on 30 August 2007, 19 years ago.
What is the penalty if Thirds 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 Thirds Construction 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.