- Companies
- Plumbers and heating engineers
- Stevenage
- Calton Maintenance Ltd
Calton Maintenance Ltd
- Company number
- 16179414
- Incorporated
- 13 Jan 20251 year trading
- Registered office
- 13 Vardon Road, Stevenage, SG1 5PT
- Nature of business
- Plumbing, heat and air-conditioning installation
Calton Maintenance Ltd is a 1-year-old private limited company registered in Stevenage, company number 16179414, one of 95 plumbing and heating companies in Stevenage. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Calton Maintenance Ltd is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 5PT on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
What happens if Calton Maintenance 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16179414
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2025 (1 year ago)
- Registered office
- 13 Vardon Road, Stevenage, SG1 5PT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 January 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 Stevenage
Other active plumbing and heating companies registered in Stevenage.
- Certeco Renewables Ltd2018
- Clgrindal Services Limited2022
- Connected Heating Solutions Ltd2021
- D C Heating Systems Ltd2022
- D G Maintenance Services Limited1999
- Drive Logic Limited2016
- Dsa Plumbing + Heating Ltd2023
- DZ Building Ltd2019
All plumbing and heating companies in Stevenage · All trades in Stevenage · Plumbers and heating engineers across the UK
Frequently asked questions
When are Calton Maintenance Ltd's accounts due?
Calton Maintenance Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Calton Maintenance Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Calton Maintenance Ltd still trading?
Calton Maintenance 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 Calton Maintenance Ltd do?
Calton Maintenance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Calton Maintenance Ltd?
Calton Maintenance Ltd was incorporated on 13 January 2025, 1 year ago.
What is the penalty if Calton Maintenance 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 Calton Maintenance 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.