- Companies
- Plumbers and heating engineers
- Keston
- C G Systems Ltd
C G Systems Ltd
- Company number
- 12587816
- Incorporated
- 6 May 20206 years trading
- Registered office
- Suite 5, 1-2 Leonard Place, Westerham Road, Keston, Kent, BR2 6HQ
- Nature of business
- Plumbing, heat and air-conditioning installation
C G Systems Ltd is a 6-year-old private limited company registered in Keston, company number 12587816, one of 10 plumbing and heating companies in Keston. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for C G Systems LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £16K (-27.4%) on the year before, to £41K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £77K against £49K owed within a year: 1.6 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £41K | £77K | £49K | 2 | |
| 30 Apr 2024 | £57K | £122K | £87K | 1 | |
| 30 Apr 2023 | £58K | £133K | £83K | 1 | |
| 30 Apr 2022 | £32K | £64K | £32K | 0 | |
| 31 May 2021 | £11K | £23K | £11K | 0 |
Where C G Systems Ltd is registered
The registered office is in Keston (BR2), in the Bromley local authority area, London. Show BR2 6HQ on a map.
Other trade companies in BR2
- Paton Floors LtdBuilders
- Mechanically Connected LtdMotor traders
- Quality Traffic Management LtdMachinery repair and installation
- RJC Surveying LimitedProperty developers
- Ac Electrical E LtdElectricians
- Horizon One Building Services LtdBuilders
- Bermont Homes LimitedProperty developers
- Castle Lion Property Services LtdFacilities management
Shared registered office
69 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 C G Systems 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
- 12587816
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2020 (6 years ago)
- Registered office
- Suite 5, 1-2 Leonard Place, Westerham Road, Keston, Kent, BR2 6HQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 5 May 2026
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 Keston
Other active plumbing and heating companies registered in Keston.
- Daks Plumbing Limited2017
- DC Install & Maintenance Services Ltd2026
- Domech Ltd2019
- Greenfields Plumbing Ltd2015
- J L Cooper Ltd2024
- MPB Gas Services Ltd2022
- TBM Plumbing & Maintenance Ltd2023
- 123 Heat Limited2020
All plumbing and heating companies in Keston · All trades in Keston · Plumbers and heating engineers across the UK
Frequently asked questions
When are C G Systems Ltd's accounts due?
C G Systems 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 C G Systems 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 C G Systems Ltd still trading?
C G Systems 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 C G Systems Ltd do?
C G Systems Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is C G Systems Ltd?
C G Systems Ltd was incorporated on 6 May 2020, 6 years ago.
What is the penalty if C G Systems 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 C G Systems 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.