Wunergy Ltd
- Company number
- 10651343
- Incorporated
- 3 Mar 20179 years trading
- Registered office
- Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
- Nature of business
- Plumbing, heat and air-conditioning installation; Management consultancy activities other than financial management; Engineering related scientific and technical consulting activities
Wunergy Ltd is a 9-year-old private limited company registered in Birmingham, company number 10651343, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £21K (-47.3%) on the year before, to £24K.
- Net assets rose in 1 of 7 year-on-year comparisons on record.
- Current assets of £19K against £1,046 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £24K | £18K | £19K | £1,046 | 0 |
| 31 Aug 2024 | £45K | £43K | £549 | 0 | |
| 31 Aug 2023 | £51K | £440 | 0 | ||
| 31 Aug 2022 | £61K | £834 | 0 | ||
| 31 Aug 2021 | £65K | £66K | £705 | 1 | |
| 31 Aug 2020 | £74K | £76K | £1,986 | 0 | |
| 31 Aug 2019 | £76K | £102K | £26K | ||
| 31 Aug 2018 | £48K | £78K | £31K |
Where Wunergy Ltd is registered
The registered office is in Birmingham (B3), in the Birmingham local authority area, West Midlands. Show B3 1RB on a map.
Other trade companies in B3
- Claim Back LtdMechanics and garages
- G.Monie Auto LimitedMotor traders
- Contegra Technical Services LimitedCleaning companies
- Jorah LimitedPainters and decorators
- JDL Solar LimitedElectricians
- Nexafitout LtdBuilders
- Drivenglobaluk LtdMotor traders
- Studio Edge LtdInstallers
Shared registered office
40 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 Wunergy 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 10651343
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 2017 (9 years ago)
- Registered office
- Grosvenor House, 11 ST. Pauls Square, Birmingham, B3 1RB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Management consultancy activities other than financial management (SIC 70229)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 2 January 2026
- Previous names
- Birmingham Project Services Ltd (until 23 Sep 2024)
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 Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Xheating Ltd2022
- York Bathrooms & Plumbing Limited2023
- Your Smart Solutions Ltd2024
- Ysa Heating Ltd2022
- Zamans Heating and Plumbing Limited2021
- Zedd Plumbing and Electrical Services Ltd2024
- Zee Gas and Plumbing Ltd2020
- Zemi Gas Limited2021
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Wunergy Ltd's accounts due?
Wunergy Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Wunergy Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Wunergy Ltd still trading?
Wunergy 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 Wunergy Ltd do?
Wunergy Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Management consultancy activities other than financial management (SIC 70229); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Wunergy Ltd?
Wunergy Ltd was incorporated on 3 March 2017, 9 years ago.
What is the penalty if Wunergy 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 Wunergy 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.