6820 Ltd
- Company number
- 12455627
- Incorporated
- 11 Feb 20206 years trading
- Registered office
- 414-416 Blackpool Road, Ashton, Preston, PR2 2DX
- Nature of business
- Construction of utility projects for fluids
6820 Ltd is a 6-year-old private limited company registered in Preston, company number 12455627, one of 142 civil engineering contractors in Preston. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £16K (-15.7%) on the year before, to £84K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £105K against £79K owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £84K | £105K | £79K | 1 | |
| 31 Mar 2025 | £99K | £98K | £61K | 1 | |
| 31 Mar 2024 | £80K | £103K | £68K | 1 | |
| 31 Mar 2023 | £62K | £84K | £63K | 1 | |
| 31 Mar 2022 | £33K | £58K | £42K | 1 | |
| 31 Mar 2021 | £4,773 | £21K | £21K | 1 | |
| 31 Mar 2020 | £100 |
Where 6820 Ltd is registered
The registered office is in Preston (PR2), in the Preston local authority area, North West. Show PR2 2DX on a map.
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Shared registered office
110 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if 6820 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 12455627
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2020 (6 years ago)
- Registered office
- 414-416 Blackpool Road, Ashton, Preston, PR2 2DX
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 10 February 2026
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 Preston
Other active civil engineering contractors registered in Preston.
- A R Harbot Ltd2009
- A&D Civils Ltd2024
- Abbeyfield Civil Engineering Ltd2018
- Ablelec Limited2003
- Afh Engineering Services Ltd2012
- Ai Designs Limited2014
- Aj Watson Civils Ltd2026
- Akoh 1 Ltd2026
All civil engineering contractors in Preston · All trades in Preston · Civil engineering across the UK
Frequently asked questions
When are 6820 Ltd's accounts due?
6820 Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is 6820 Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is 6820 Ltd still trading?
6820 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 6820 Ltd do?
6820 Ltd is registered under Construction of utility projects for fluids (SIC 42210).
How old is 6820 Ltd?
6820 Ltd was incorporated on 11 February 2020, 6 years ago.
What is the penalty if 6820 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 6820 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.