- Companies
- Electricians
- Blackpool
- JML Building & Construction Services Ltd
JML Building & Construction Services Ltd
- Company number
- 12390532
- Incorporated
- 7 Jan 20206 years trading
- Registered office
- 6 Neptune Court, Hallam Way, Blackpool, FY4 5LZ
- Nature of business
- Electrical installation
JML Building & Construction Services Ltd is a 6-year-old private limited company registered in Blackpool, company number 12390532, one of 149 electrical contractors in Blackpool. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £5,982 (-88%) on the year before, to £816.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £17K against £8,823 owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £816 | £17K | £8,823 | 1 | |
| 31 Jan 2024 | £6,798 | £18K | £12K | 1 | |
| 31 Jan 2023 | £1,783 | £18K | 1 | ||
| 31 Jan 2022 | £855 | £17K | £5,682 | 1 | |
| 31 Jan 2021 | £672 | £26K | £3,194 | 1 |
Where JML Building & Construction Services Ltd is registered
The registered office is in Blackpool (FY4), in the Fylde local authority area, North West. Show FY4 5LZ on a map.
Other trade companies in FY4
- CCD Planning & Engineering LtdSpecialist contractors
- THW Roofing LtdRoofers
- Nexus NW LtdPlumbers and heating engineers
- CSP Contracts LtdBuilders
- WCR Breakdown & Recovery LtdMechanics and garages
- LP Flooring Solutions LtdFloor and wall tilers
- Noxon Industrial Services LtdSpecialist contractors
- Northlink Network LimitedElectricians
Shared registered office
45 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 JML Building & Construction Services 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12390532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2020 (6 years ago)
- Registered office
- 6 Neptune Court, Hallam Way, Blackpool, FY4 5LZ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 21 October 2025
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 Blackpool
Other active electrical contractors registered in Blackpool.
- Jtec Electrical Contractors Ltd2025
- K & S Fire Alarm & Pat Testing Limited2010
- K. J. Norris Electrical Limited2003
- Kam NDT Inspection Limited2014
- Kamm Tech Innovations Ltd2024
- L Wilson Digital & Security Limited2018
- Lbi Electrical Contractors Ltd2023
- Lde Access Services Ltd2024
All electrical contractors in Blackpool · All trades in Blackpool · Electricians across the UK
Frequently asked questions
When are JML Building & Construction Services Ltd's accounts due?
JML Building & Construction Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is JML Building & Construction Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is JML Building & Construction Services Ltd still trading?
JML Building & Construction Services 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 JML Building & Construction Services Ltd do?
JML Building & Construction Services Ltd is registered under Electrical installation (SIC 43210).
How old is JML Building & Construction Services Ltd?
JML Building & Construction Services Ltd was incorporated on 7 January 2020, 6 years ago.
What is the penalty if JML Building & Construction Services 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 JML Building & Construction Services 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.