- Companies
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- Stevenage
- Concept Conversions & Refurbishments Limited
Concept Conversions & Refurbishments Limited
- Company number
- 16167891
- Incorporated
- 7 Jan 20251 year trading
- Registered office
- 108 Minehead Way, Stevenage, SG1 2JH
- Nature of business
- Other construction installation
Concept Conversions & Refurbishments Limited is a 1-year-old private limited company registered in Stevenage, company number 16167891, one of 63 installation companies (insulation, lifts, shutters and similar) in Stevenage. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 January 2026, as filed at Companies House.
Where Concept Conversions & Refurbishments Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 2JH 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 Concept Conversions & Refurbishments 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 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
- 16167891
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2025 (1 year ago)
- Registered office
- 108 Minehead Way, Stevenage, SG1 2JH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 5 March 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Stevenage
Other active installation companies (insulation, lifts, shutters and similar) registered in Stevenage.
- Cox Retrofit Solutions Limited2024
- D Bradley and Sons Ltd2021
- Design A View Ltd2025
- DH Drainage Limited2020
- DMT Flow Ltd2023
- DRM Build & Maintain Limited2025
- DW General Services Limited2022
- E A Windows & Doors Limited2023
All installation companies (insulation, lifts, shutters and similar) in Stevenage · All trades in Stevenage · Installers across the UK
Frequently asked questions
When are Concept Conversions & Refurbishments Limited's accounts due?
Concept Conversions & Refurbishments Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Concept Conversions & Refurbishments Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Concept Conversions & Refurbishments Limited still trading?
Concept Conversions & Refurbishments 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 Concept Conversions & Refurbishments Limited do?
Concept Conversions & Refurbishments Limited is registered under Other construction installation (SIC 43290).
How old is Concept Conversions & Refurbishments Limited?
Concept Conversions & Refurbishments Limited was incorporated on 7 January 2025, 1 year ago.
What is the penalty if Concept Conversions & Refurbishments 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 Concept Conversions & Refurbishments 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.