- Companies
- Electricians
- Orpington
- Cosbuildservices Ltd
Cosbuildservices Ltd
- Company number
- 16618256
- Incorporated
- 31 Jul 20251 year trading
- Registered office
- 2 Nightingale Corner, Wotton Green, Orpington, BR5 3PS
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Joinery installation
Cosbuildservices Ltd is a 1-year-old private limited company registered in Orpington, company number 16618256, one of 91 electrical contractors in Orpington. Its next accounts are due at Companies House on 30 April 2027, and its first CT600 is due at HMRC on 30 July 2027.
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.
Is this your company?
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Where Cosbuildservices Ltd is registered
The registered office is in Orpington (BR5), in the Bromley local authority area, London. Show BR5 3PS on a map.
Other trade companies in BR5
- SML Resources LtdMechanics and garages
- A.P.E. Maintenance LtdFacilities management
- Daisy Fresh LtdCleaning companies
- GCP FM Group LtdFacilities management
- Enp Global LtdBuilders
- Hawk Landscapes LtdLandscapers and gardeners
- Rankins Roofing LtdRoofers
- Jet Clear Drainage Solutions LtdCleaning companies
What happens if Cosbuildservices 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16618256
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2025 (1 year ago)
- Registered office
- 2 Nightingale Corner, Wotton Green, Orpington, BR5 3PS
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Joinery installation (SIC 43320) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Orpington
Other active electrical contractors registered in Orpington.
- Cre Electrical Ltd2026
- D W Berryman Limited2002
- DW Building Services Ltd2026
- E P A Services Limited2003
- E&H Electrical Services Ltd2026
- E-Tech Mechanical and Electrical Services Ltd2025
- Ecobright Energy Group Ltd2025
- Electrical Testing Club Ltd2021
All electrical contractors in Orpington · All trades in Orpington · Electricians across the UK
Frequently asked questions
When are Cosbuildservices Ltd's accounts due?
Cosbuildservices Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Cosbuildservices 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 2026, due by 30 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cosbuildservices Ltd still trading?
Cosbuildservices Ltd is listed as active on the Companies House register (checked 12 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 Cosbuildservices Ltd do?
Cosbuildservices Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Joinery installation (SIC 43320).
How old is Cosbuildservices Ltd?
Cosbuildservices Ltd was incorporated on 31 July 2025, 1 year ago.
What is the penalty if Cosbuildservices 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 Cosbuildservices Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.