- Companies
- Plumbers and heating engineers
- Cambridge
- Wonters FM Limited
Wonters FM Limited
- Company number
- 04258015
- Incorporated
- 24 Jul 200125 years trading
- Registered office
- Salisbury House Salisbury Villas, Station Road, Cambridge, CB1 2LA
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
Wonters FM Limited is a 25-year-old private limited company registered in Cambridge, company number 04258015, one of 105 plumbing and heating companies in Cambridge. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £38K (-24.4%) on the year before, to £119K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £320K against £208K owed within a year: 1.5 times cover.
- 6 employees on average, up from 5 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £119K | £81K | £320K | £208K | 6 |
| 31 Dec 2024 | £157K | £119K | £343K | £196K | 5 |
| 31 Dec 2023 | £167K | £183K | £382K | £223K | 5 |
| 31 Dec 2022 | £135K | £99K | £381K | £241K | 4 |
| 31 Dec 2021 | £38K | £80K | £217K | £149K | 5 |
| 31 Dec 2020 | £49K | £55K | £274K | £188K | 5 |
Who runs and owns Wonters FM Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** H*** | Director | Jul 2001 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** H*** | Secretary | Jul 2001 | Jul 2010 |
| 360 Solutions (Cambridge) Ltd | Secretary (company) | Jul 2010 | Apr 2017 |
| Britannia Company Formations Limited | Corporate Nominee Secretary | Jul 2001 | Jul 2001 |
| M*** N*** | Director | Jul 2014 | Jan 2015 |
| Deansgate Company Formations Limited | Nominee director (company) | Jul 2001 | Jul 2001 |
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 |
|---|---|---|
| Lloyds Bank PLC | Outstanding | Aug 2014 |
Where Wonters FM Limited is registered
The registered office is in Cambridge (CB1), in the Cambridge local authority area, East of England. Show CB1 2LA on a map.
Other trade companies in CB1
- Al Zoube LtdMotor traders
- Opalink Commerce LimitedMotor traders
- Pigeon (Gransden) LimitedProperty developers
- Forecast Roofing & Guttering LtdRoofers
- United Solutions Enterprise LtdFinishing trades
- White Construction LtdBuilders
- Residential Roofing & Guttering LtdRoofers
- Pigeon (H) LimitedProperty developers
Also registered at this address
1 other company uses the same registered office as Wonters FM Limited.
- Bayard Construction LtdBuilders
What happens if Wonters FM 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04258015
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2001 (25 years ago)
- Registered office
- Salisbury House Salisbury Villas, Station Road, Cambridge, CB1 2LA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 24 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Charles Roberts Maintenance Services Limited (until 7 Aug 2013)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Cambridge
Other active plumbing and heating companies registered in Cambridge.
- WS Plumbing and Heating Ltd2012
- Xpertech Ltd2013
- A Class Property Care Ltd2009
- Abc Plumbing and Maintenance Ltd2024
- Abm Maintenance Ltd2002
- Ac Plumbing Ltd2019
- Aca Heating & Plumbing Limited2013
- Acratech Limited2002
All plumbing and heating companies in Cambridge · All trades in Cambridge · Plumbers and heating engineers across the UK
Frequently asked questions
When are Wonters FM Limited's accounts due?
Wonters FM Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Wonters FM Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Wonters FM Limited still trading?
Wonters FM 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 Wonters FM Limited do?
Wonters FM Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Wonters FM Limited?
Wonters FM Limited was incorporated on 24 July 2001, 25 years ago.
Who runs Wonters FM Limited?
Wonters FM Limited has 1 active director, the longest-serving appointed in Jul 2001. Their names and service addresses are on the Companies House register.
Who owns Wonters FM Limited?
One person or company has significant control of Wonters FM Limited: Wonters Group Holdings Limited (owns 75% or more of the shares).
What is the penalty if Wonters FM 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 Wonters FM 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.