- Companies
- Plumbers and heating engineers
- Brentwood
- Synergy 7 Group Ltd
Synergy 7 Group Ltd
- Company number
- 03315210
- Incorporated
- 7 Feb 199729 years trading
- Registered office
- Unit 5 Prospect Way, Hutton, Brentwood, Essex, CM13 1XG
- Nature of business
- Plumbing, heat and air-conditioning installation
Synergy 7 Group Ltd is a 29-year-old private limited company registered in Brentwood, company number 03315210, one of 84 plumbing and heating companies in Brentwood. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £384K (-258.9%) on the year before, to -£236K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £715K against £827K owed within a year: 0.9 times cover.
- 7 employees on average, up from 3 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£236K | £4,355 | £715K | £827K | 7 |
| 30 Apr 2024 | £148K | £439K | £442K | 3 | |
| 30 Apr 2023 | £2,317 | £507K | £403K | 3 | |
| 30 Apr 2022 | £437K | £65K | £536K | £319K | 3 |
| 30 Apr 2021 | £374K | £198K | £353K | £213K | 3 |
| 30 Apr 2020 | £366K | £304K | £125K | 4 | |
| 30 Apr 2019 | £346K | £222K | £79K | ||
| 30 Apr 2018 | £350K | £348K | £186K | ||
| 30 Apr 2017 | £318K | £289K | £149K | ||
| 30 Apr 2016 | £338K | £38K | £288K | £152K |
Where Synergy 7 Group Ltd is registered
The registered office is in Brentwood (CM13), in the Brentwood local authority area, East of England. Show CM13 1XG on a map.
Other trade companies in CM13
- Van & Car Self Drive LtdMotor traders
- Marsh Harrier Developments LtdProperty developers
- Motor Dealer Sales LtdMotor traders
- Electrical PN LtdElectricians
- Torrtec LtdPlumbers and heating engineers
- Flushed Through Drainage Services LtdPlumbers and heating engineers
- RJFD Electrical LtdCivil engineering
- Welsted LtdJoiners and carpenters
What happens if Synergy 7 Group 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 03315210
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 1997 (29 years ago)
- Registered office
- Unit 5 Prospect Way, Hutton, Brentwood, Essex, CM13 1XG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 8 July 2026
- Charges (mortgages)
- 1 outstanding of 4 registered
- Previous names
- G P Mechanical & Electrical Services Limited (until 15 Jan 2025)
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 Brentwood
Other active plumbing and heating companies registered in Brentwood.
- T. M. S. Mechanical Services Limited2018
- TCM Plumbing & Heating Limited2017
- TDK Plumbing & Heating Ltd2026
- Technical Gas Heating & Plumbing Ltd2019
- Trojan Mechanical Solutions Ltd2025
- Tuono Limited2019
- UK Cooling and Heating Services Ltd2020
- Verlander Utilities Limited2025
All plumbing and heating companies in Brentwood · All trades in Brentwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Synergy 7 Group Ltd's accounts due?
Synergy 7 Group Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Synergy 7 Group Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Synergy 7 Group Ltd still trading?
Synergy 7 Group 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 Synergy 7 Group Ltd do?
Synergy 7 Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Synergy 7 Group Ltd?
Synergy 7 Group Ltd was incorporated on 7 February 1997, 29 years ago.
What is the penalty if Synergy 7 Group 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 Synergy 7 Group 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.