- Companies
- Plumbers and heating engineers
- Worthing
- Coastal Gastech Limited
Coastal Gastech Limited
- Company number
- 12166534
- Incorporated
- 20 Aug 20197 years trading
- Registered office
- 123 Barrington Road, Goring-By-Sea, Worthing, BN12 4RL
- Nature of business
- Plumbing, heat and air-conditioning installation
Coastal Gastech Limited is a 7-year-old private limited company registered in Worthing, company number 12166534, one of 94 plumbing and heating companies in Worthing. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £106 (-71.6%) on the year before, to £42.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £874 against £5,683 owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £42 | £874 | £5,683 | 1 | |
| 28 Feb 2024 | £148 | £153 | £6,271 | 1 | |
| 28 Feb 2023 | £53 | £2,494 | £5,959 | 1 | |
| 31 Aug 2021 | £1 | £1 | |||
| 31 Aug 2020 | £1 | £1 |
Where Coastal Gastech Limited is registered
The registered office is in Worthing (BN12), in the Worthing local authority area, South East. Show BN12 4RL on a map.
Other trade companies in BN12
- Ace Aggregates Sussex LtdGroundworks and demolition
- C.B Autobodies LtdMechanics and garages
- Sandra Global Ltd LimitedCleaning companies
- Pierpoint Holdings LimitedPlumbers and heating engineers
- NRG Fleet Polishing LimitedMechanics and garages
- We Will Concierge LtdCleaning companies
- Refined Spaces Construction LtdBuilders
- Haulkham Roofing LtdRoofers
What happens if Coastal Gastech 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12166534
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2019 (7 years ago)
- Registered office
- 123 Barrington Road, Goring-By-Sea, Worthing, BN12 4RL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 19 August 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 Worthing
Other active plumbing and heating companies registered in Worthing.
- Copper Works Plumbing and Heating Limited2023
- Creative Heating Ltd2006
- D C Heating Solutions Ltd2017
- David N Prosser Plumbing & Heating Ltd2009
- Dawson Heating Ltd2009
- DMC Heating and Plumbing Solutions Ltd2022
- Domestic Heating & Electrical Services Ltd2008
- DRH Maintenance Group Ltd2020
All plumbing and heating companies in Worthing · All trades in Worthing · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coastal Gastech Limited's accounts due?
Coastal Gastech Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Coastal Gastech Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Coastal Gastech Limited still trading?
Coastal Gastech 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 Coastal Gastech Limited do?
Coastal Gastech Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coastal Gastech Limited?
Coastal Gastech Limited was incorporated on 20 August 2019, 7 years ago.
What is the penalty if Coastal Gastech 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 Coastal Gastech 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.