- Companies
- Civil engineering
- Leeds
- Carbon.Climate.Certified Ltd
Carbon.Climate.Certified Ltd
- Company number
- 02773617
- Incorporated
- 15 Dec 199233 years trading
- Registered office
- Department Leeds Docks, 4 the Boulevard, Leeds, LS10 1PZ
- Nature of business
- Construction of utility projects for fluids
Carbon.Climate.Certified Ltd is a 33-year-old private limited company registered in Leeds, company number 02773617, one of 163 civil engineering contractors in Leeds. 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 down £33K (-18.2%) on the year before, to £149K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £363K against £347K owed within a year: 1.0 times cover.
- 8 employees on average, up from 7 the year before.
- 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 | £149K | £126K | £363K | £347K | 8 |
| 30 Apr 2024 | £182K | £175K | £397K | £372K | 7 |
| 30 Apr 2023 | £144K | £255K | £420K | £350K | 6 |
| 30 Apr 2022 | £59K | £139K | £256K | £201K | 5 |
| 30 Apr 2021 | £23K | £59K | £182K | £162K | 5 |
| 30 Apr 2020 | £12K | £51K | £151K | £142K | 5 |
| 30 Apr 2019 | £8,675 | £18K | £121K | £116K | 5 |
| 30 Apr 2018 | £55K | £12K | £139K | £85K | 5 |
| 30 Apr 2017 | £39K | £12K | £124K | £85K | 4 |
| 30 Apr 2016 | £46K | £2,799 | £103K | £57K |
Where Carbon.Climate.Certified Ltd is registered
The registered office is in Leeds (LS10), in the Leeds local authority area, Yorkshire and The Humber. Show LS10 1PZ on a map.
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What happens if Carbon.Climate.Certified 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 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
- 02773617
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 December 1992 (33 years ago)
- Registered office
- Department Leeds Docks, 4 the Boulevard, Leeds, LS10 1PZ
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 15 October 2025
- Previous names
- GWP Project Services Limited (until 24 Aug 2022)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Leeds
Other active civil engineering contractors registered in Leeds.
- Carthy Contracting Limited2019
- CDM Principal Designer Ltd2017
- CML Ltd2025
- Cogill Groundworks Ltd2026
- Core Civils Limited2009
- Coyle Plant and Groundworks Ltd2023
- CT Civil Engineering Limited2016
- D C Quants Limited2003
All civil engineering contractors in Leeds · All trades in Leeds · Civil engineering across the UK
Frequently asked questions
When are Carbon.Climate.Certified Ltd's accounts due?
Carbon.Climate.Certified Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Carbon.Climate.Certified Ltd'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 Carbon.Climate.Certified Ltd still trading?
Carbon.Climate.Certified 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 Carbon.Climate.Certified Ltd do?
Carbon.Climate.Certified Ltd is registered under Construction of utility projects for fluids (SIC 42210).
How old is Carbon.Climate.Certified Ltd?
Carbon.Climate.Certified Ltd was incorporated on 15 December 1992, 33 years ago.
What is the penalty if Carbon.Climate.Certified 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 Carbon.Climate.Certified 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.