- Companies
- Plumbers and heating engineers
- Bexleyheath
- Cobra Building Services Ltd
Cobra Building Services Ltd
- Company number
- 17373456
- Incorporated
- 31 Jul 2026
- Registered office
- 51 Castleton Avenue, Bexleyheath, DA7 6QT
- Nature of business
- Plumbing, heat and air-conditioning installation
Cobra Building Services Ltd is a newly incorporated private limited company registered in Bexleyheath, company number 17373456, one of 42 plumbing and heating companies in Bexleyheath. Its next accounts are due at Companies House on 30 April 2028, and its first CT600 is due at HMRC on 30 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cobra Building Services Ltd is registered
The registered office is in Bexleyheath (DA7), in the Bexley local authority area, London. Show DA7 6QT on a map.
Other trade companies in DA7
- Heyplumber LtdPlumbers and heating engineers
- Volt&Valve LtdMachinery repair and installation
- Odessa Services LtdCleaning companies
- TK Lifts LimitedBuilders
- Tommy Wells LimitedScaffolders
- Thumwood’S Build LtdFinishing trades
- A&E Elite Groundworks LtdBuilders
- Noonan Civil Engineering LtdCivil engineering
What happens if Cobra Building Services 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 17373456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2026
- Registered office
- 51 Castleton Avenue, Bexleyheath, DA7 6QT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Bexleyheath
Other active plumbing and heating companies registered in Bexleyheath.
- Cool Renewables Ltd2025
- DH Consultancy Ltd2020
- E.C.A Builders Ltd2012
- G.L Air Services Limited2018
- Gilberts Mechanical and Ventilation Services Ltd2024
- Goode Plumbing & Heating Services Ltd2020
- Great Scott Plumbing Heating Ltd2025
- H&T Energy Solutions Ltd2024
All plumbing and heating companies in Bexleyheath · All trades in Bexleyheath · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cobra Building Services Ltd's accounts due?
Cobra Building Services Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is Cobra Building Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 July 2027, due by 30 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cobra Building Services Ltd still trading?
Cobra Building Services 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 Cobra Building Services Ltd do?
Cobra Building Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cobra Building Services Ltd?
Cobra Building Services Ltd was incorporated on 31 July 2026, less than a year ago.
What is the penalty if Cobra Building Services 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 Cobra Building Services 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.