- Company number
- 16977057
- Incorporated
- 21 Jan 2026
- Registered office
- 50 Rodney Road, Mitcham, CR4 3DG
- Nature of business
- Construction of domestic buildings
Artans Basements & Extensions Ltd is a newly incorporated private limited company registered in Mitcham, company number 16977057, one of 205 building contractors in Mitcham. Its next accounts are due at Companies House on 21 October 2027, and its first CT600 is due at HMRC on 20 January 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.
Is this your company?
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Where Artans Basements & Extensions Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 3DG on a map.
Other trade companies in CR4
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- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
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- Dgha Construction LtdBuilders
What happens if Artans Basements & Extensions 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 21 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Oct 2027 to 21 Nov 2027 | £150 |
| 1 to 3 months late | 22 Nov 2027 to 21 Jan 2028 | £375 |
| 3 to 6 months late | 22 Jan 2028 to 21 Apr 2028 | £750 |
| More than 6 months late | From 22 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16977057
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2026
- Registered office
- 50 Rodney Road, Mitcham, CR4 3DG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Mitcham
Other active building contractors registered in Mitcham.
- Asif Builders Ltd2021
- Avantgarde Renovations Ltd2016
- Aximor Ltd2015
- Axis Vector Construction Ltd2023
- B&V Facades UK Limited2023
- Ba UK Service Ltd2021
- Bam Contractors Ltd2025
- Best Interiors Projects Ltd2023
All building contractors in Mitcham · All trades in Mitcham · Builders across the UK
Frequently asked questions
When are Artans Basements & Extensions Ltd's accounts due?
Artans Basements & Extensions Ltd's next accounts are due at Companies House by 21 October 2027 (in 373 days), covering the period to 31 January 2027.
When is Artans Basements & Extensions 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 20 January 2027, due by 20 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Artans Basements & Extensions Ltd still trading?
Artans Basements & Extensions 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 Artans Basements & Extensions Ltd do?
Artans Basements & Extensions Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Artans Basements & Extensions Ltd?
Artans Basements & Extensions Ltd was incorporated on 21 January 2026, less than a year ago.
What is the penalty if Artans Basements & Extensions 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 Artans Basements & Extensions 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.