- Companies
- Electricians
- Mirfield
- Del Sol Air Systems Limited
Del Sol Air Systems Limited
- Company number
- 00936959
- Incorporated
- 8 Aug 196858 years trading
- Registered office
- Unit 14, Bankfield Mills, Huddersfield Road, Mirfield, West Yorkshire, WF14 9DQ
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other service activities n.e.c.
Del Sol Air Systems Limited is a 58-year-old private limited company registered in Mirfield, company number 00936959, one of 17 electrical contractors in Mirfield. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £67K (-12.7%) on the year before, to £457K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £586K against £176K owed within a year: 3.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £457K | £322K | £586K | £176K | 0 |
| 31 Mar 2024 | £524K | £375K | £692K | £214K | 20 |
| 31 Mar 2023 | £518K | £245K | £743K | £279K | 16 |
| 31 Mar 2022 | £348K | £160K | £472K | £190K | 19 |
| 31 Mar 2021 | £274K | £150K | £440K | £226K | 17 |
| 31 Mar 2020 | £172K | £102K | £354K | £246K | 18 |
| 31 Mar 2019 | £130K | £28K | £311K | £246K | 18 |
| 31 Mar 2018 | £179K | £77K | £414K | £307K | 19 |
| 31 Mar 2017 | £170K | £30K | £334K | £241K | 21 |
| 31 Mar 2016 | £181K | £121K | £334K |
Who runs and owns Del Sol Air Systems Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| R*** M*** | Director | Aug 2003 |
| C*** D*** | Director | Nov 2022 |
7 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| N*** B*** | Secretary | Sep 2007 | Nov 2022 |
| G*** P*** | Secretary | Sep 2007 | |
| C*** B*** | Director | Jan 2002 | |
| J*** B*** | Director | Jan 2002 | |
| N*** B*** | Director | Jan 2002 | Nov 2022 |
| R*** B*** | Director | Jan 2002 | May 2004 |
| G*** P*** | Director | Jan 2002 | Sep 2007 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Del Sol Holdings Limited | Outstanding | Nov 2022 |
Where Del Sol Air Systems Limited is registered
The registered office is in Mirfield (WF14), in the Kirklees local authority area, Yorkshire and The Humber. Show WF14 9DQ on a map.
Other trade companies in WF14
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- Tom Auty Landscaping and Construction LtdLandscapers and gardeners
- MKM Ventures LtdMechanics and garages
- Blueline Roofing & Construction LtdRoofers
- The Kept Home LtdCleaning companies
- One Step Electrical Installations LtdElectricians
- Clickcar LtdMotor traders
What happens if Del Sol Air Systems Limited 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 00936959
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 1968 (58 years ago)
- Registered office
- Unit 14, Bankfield Mills, Huddersfield Road, Mirfield, West Yorkshire, WF14 9DQ
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Mirfield
Other active electrical contractors registered in Mirfield.
- Firth Electrical Ltd2021
- Gem Installs Limited2016
- Imap Electrical Ltd2016
- JDL Electrical Ltd2019
- Kitchen Know How Limited2019
- Mirfield Electrical Installations Ltd2014
- Next Phase Electrical Contractors Ltd2025
- Pulse M&E Group Limited2024
All electrical contractors in Mirfield · All trades in Mirfield · Electricians across the UK
Frequently asked questions
When are Del Sol Air Systems Limited's accounts due?
Del Sol Air Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Del Sol Air Systems Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Del Sol Air Systems Limited still trading?
Del Sol Air Systems Limited 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 Del Sol Air Systems Limited do?
Del Sol Air Systems Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other service activities n.e.c. (SIC 96090).
How old is Del Sol Air Systems Limited?
Del Sol Air Systems Limited was incorporated on 8 August 1968, 58 years ago.
Who runs Del Sol Air Systems Limited?
Del Sol Air Systems Limited has 2 active directors, the longest-serving appointed in Aug 2003. Their names and service addresses are on the Companies House register.
Who owns Del Sol Air Systems Limited?
One person or company has significant control of Del Sol Air Systems Limited: Del Sol Group Limited (owns 75% or more of the shares).
What is the penalty if Del Sol Air Systems Limited 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 Del Sol Air Systems Limited 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.