- Companies
- Specialist contractors
- Watford
- Whisbro Mechanical Solutions Limited
Whisbro Mechanical Solutions Limited
- Company number
- 05796912
- Incorporated
- 26 Apr 200620 years trading
- Registered office
- Suite 13, 5 Hercules Way, Leavesden Park, Watford, Hertfordshire, WD25 7GS
- Nature of business
- Other specialised construction activities n.e.c.
Whisbro Mechanical Solutions Limited is a 20-year-old private limited company registered in Watford, company number 05796912, one of 150 specialist construction companies in Watford. 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 £28K (-7.8%) on the year before, to £328K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £621K against £332K owed within a year: 1.9 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £328K | £83K | £621K | £332K | 6 |
| 31 Mar 2025 | £355K | £18K | £593K | £272K | 6 |
| 31 Mar 2024 | £238K | £76K | £741K | £539K | 9 |
| 31 Mar 2023 | £227K | £172K | £491K | £268K | 7 |
| 31 Mar 2022 | £255K | £108K | £486K | £232K | 8 |
| 31 Mar 2021 | £201K | £269K | £462K | £262K | 7 |
| 31 Mar 2020 | £424K | £527K | £588K | £164K | 6 |
| 31 Mar 2019 | £204K | £123K | £278K | £77K | 6 |
| 31 Mar 2018 | £166K | £104K | £242K | £77K | |
| 31 Mar 2017 | £159K | £22K |
Where Whisbro Mechanical Solutions Limited is registered
The registered office is in Watford (WD25), in the Three Rivers local authority area, East of England. Show WD25 7GS on a map.
Other trade companies in WD25
- Ardel Construction LimitedBuilders
- Velocity Mechanical LtdPlumbers and heating engineers
- Jpjcm LimitedFinishing trades
- Mix & Go LtdSpecialist contractors
- Colney Prestige Autos LtdMotor traders
- Prestige Garden Services LtdLandscapers and gardeners
- Destinyd LtdMachinery repair and installation
- Leaf Space LimitedFinishing trades
Also registered at this address
10 other companies use the same registered office as Whisbro Mechanical Solutions Limited.
- Ashgood Classic and Sportscars LimitedMotor traders
- Bonham Freeholds LimitedProperty developers
- Dna Refurbishments LimitedSpecialist contractors
- Emsea Investments LtdMotor traders
- George Hugh Contractors LimitedLandscapers and gardeners
- McCarthy & O'Connor LimitedFinishing trades
- N Hughes Building Contractors LimitedSpecialist contractors
- S.Dell & Son(Investments)LimitedProperty developers
- Trilec Electrical Contractors LimitedElectricians
- Whistlers LimitedBuilders
What happens if Whisbro Mechanical Solutions 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
- 05796912
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2006 (20 years ago)
- Registered office
- Suite 13, 5 Hercules Way, Leavesden Park, Watford, Hertfordshire, WD25 7GS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 30 April 2026
- Previous names
- Whisbro Mechanical Services Limited (until 26 Oct 2022)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Watford
Other active specialist construction companies registered in Watford.
- Wilks Electrical Ltd2025
- Wolfpack Holdings Ltd2018
- Worth Waiting for Us Limited2022
- Worxzone Ltd2019
- Your Worktops Ltd2019
- Yt Interiors Ltd2007
- Zic Interior Ltd2026
- A&D Building Services Ltd2018
All specialist construction companies in Watford · All trades in Watford · Specialist contractors across the UK
Frequently asked questions
When are Whisbro Mechanical Solutions Limited's accounts due?
Whisbro Mechanical Solutions 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 Whisbro Mechanical Solutions 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 Whisbro Mechanical Solutions Limited still trading?
Whisbro Mechanical Solutions 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 Whisbro Mechanical Solutions Limited do?
Whisbro Mechanical Solutions Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Whisbro Mechanical Solutions Limited?
Whisbro Mechanical Solutions Limited was incorporated on 26 April 2006, 20 years ago.
What is the penalty if Whisbro Mechanical Solutions 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 Whisbro Mechanical Solutions 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.