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- Carbon Focus Engineering Ltd
Company profile · Plumbers and heating engineers
Carbon Focus Engineering Ltd
Carbon Focus Engineering Ltd is a 5-year-old private limited company registered in Lincoln, company number 13529446, one of 130 plumbing and heating companies in Lincoln. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Carbon Focus Engineering 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 up £54K (+404.9%) on the year before, to £68K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £833K against £770K owed within a year: 1.1 times cover.
- 4 employees on average, down from 5 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £68K | £732K | £833K | £770K | 4 |
| 31 Dec 2024 | £13K | £87K | £116K | £111K | 5 |
| 31 Dec 2023 | £62K | £197K | £249K | £203K | 5 |
| 31 Dec 2022 | £193K | £637K | £1.1M | £973K | 10 |
Where Carbon Focus Engineering Ltd is registered
The registered office is in Lincoln (LN1), in the West Lindsey local authority area, East Midlands. Show LN1 2RP on a map.
Other trade companies in LN1
- Nuco Developments LimitedProperty developers
- Ag Home Developments LtdProperty developers
- Primore Cleaning Services LtdCleaning companies
- Wright Aviate LtdMachinery repair and installation
- Riverside Tyres LimitedMechanics and garages
- Queen Bee Pest Management LtdCleaning companies
- Rain & Root Landscaping & Construction LtdLandscapers and gardeners
- Moulds Fencing LimitedInstallers
Also registered at this address
1 other company uses the same registered office as Carbon Focus Engineering Ltd.
- Cliff Farm Developments LtdProperty developers
What happens if Carbon Focus Engineering 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13529446
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2021 (5 years ago)
- Registered office
- Cliff Farm Middle Street, North Carlton, Lincoln, Lincolnshire, LN1 2RP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 11 December 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Lincoln
Other active plumbing and heating companies registered in Lincoln.
- Carlisle's Limited2006
- CB Plumbing & Heating Services Ltd2025
- Climacore Hvacr Limited2026
- Cool Temp Solutions Ltd2022
- Coulton Gas Services Limited2026
- CPS Lincoln Limited2012
- Craig Marshall Ltd2009
- D H Plumbing & Bathrooms Limited2010
All plumbing and heating companies in Lincoln · All trades in Lincoln · Plumbers and heating engineers across the UK
Frequently asked questions
When are Carbon Focus Engineering Ltd's accounts due?
Carbon Focus Engineering Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Carbon Focus Engineering Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Carbon Focus Engineering Ltd still trading?
Carbon Focus Engineering 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 Focus Engineering Ltd do?
Carbon Focus Engineering Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999); Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140).
How old is Carbon Focus Engineering Ltd?
Carbon Focus Engineering Ltd was incorporated on 26 July 2021, 5 years ago.
What is the penalty if Carbon Focus Engineering 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 Focus Engineering 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.