- Companies
- Electricians
- Billericay
- Blackmoor Knight Ltd
Blackmoor Knight Ltd
- Company number
- 05800344
- Incorporated
- 28 Apr 200620 years trading
- Registered office
- Unit L Radford Business Centre, Radford Way, Billericay, Essex, CM12 0BZ
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other building completion and finishing
Blackmoor Knight Ltd is a 20-year-old private limited company registered in Billericay, company number 05800344, one of 85 electrical contractors in Billericay. 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.
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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 £22K (-18.5%) on the year before, to £96K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £665K against £610K owed within a year: 1.1 times cover.
- 8 employees 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 | £96K | £527K | £665K | £610K | 8 |
| 30 Jun 2024 | £118K | £305K | £458K | £371K | 8 |
| 30 Jun 2023 | £207K | £233K | £374K | £202K | 9 |
| 30 Jun 2022 | £315K | £304K | £578K | £303K | 9 |
| 30 Jun 2021 | £470K | £529K | £783K | £350K | 9 |
| 30 Jun 2020 | £430K | £1.2M | £1.3M | £883K | 10 |
| 30 Jun 2019 | £86K | £1.3M | £1.5M | £1.4M | 10 |
| 30 Jun 2018 | £82K | £726K | £1.4M | £1.3M | 7 |
| 30 Jun 2017 | £75K | £536K | £768K | £694K | 6 |
| 30 Jun 2016 | £71K | £148K | £363K | £294K |
Where Blackmoor Knight Ltd is registered
The registered office is in Billericay (CM12), in the Basildon local authority area, East of England. Show CM12 0BZ on a map.
Other trade companies in CM12
- White and Lands LtdProperty developers
- Russell Property Services LimitedPlumbers and heating engineers
- Teddy George Cars LtdMotor traders
- Hallmark Care Homes Developments (No.3) LimitedProperty developers
- SSD Professional Cleaning LtdCleaning companies
- Hallmark Care Homes (Rainbow 4) LimitedBuilders
- Xlinks 1 Auxiliary Equipment No.2 LimitedProperty developers
- Xlinks 1 Auxiliary Equipment No.3 LimitedProperty developers
Shared registered office
67 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 Blackmoor Knight 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
- 05800344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2006 (20 years ago)
- Registered office
- Unit L Radford Business Centre, Radford Way, Billericay, Essex, CM12 0BZ
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 19 May 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Billericay
Other active electrical contractors registered in Billericay.
- Blackwood and Hall Engineering Ltd2025
- Bliss Eco Energy Limited2022
- Bliss Electrical Limited2020
- Bov Engineering Ltd2020
- City Electrics London Limited2007
- D.J.B. Services Ltd2001
- DJT Electrical Services Ltd2021
- Dse Electrical Services Ltd2021
All electrical contractors in Billericay · All trades in Billericay · Electricians across the UK
Frequently asked questions
When are Blackmoor Knight Ltd's accounts due?
Blackmoor Knight Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Blackmoor Knight 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 Blackmoor Knight Ltd still trading?
Blackmoor Knight 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 Blackmoor Knight Ltd do?
Blackmoor Knight Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Blackmoor Knight Ltd?
Blackmoor Knight Ltd was incorporated on 28 April 2006, 20 years ago.
What is the penalty if Blackmoor Knight 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 Blackmoor Knight 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.