- Companies
- Installers
- Milton Keynes
- SMK Conversions Limited
SMK Conversions Limited
- Company number
- 10114865
- Incorporated
- 10 Apr 201610 years trading
- Registered office
- 34 Arran Way, Newton Leys, Bletchley, Milton Keynes, MK3 5FF
- Nature of business
- Other construction installation
SMK Conversions Limited is a 10-year-old private limited company registered in Milton Keynes, company number 10114865, one of 128 installation companies (insulation, lifts, shutters and similar) in Milton Keynes. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £18 (-69.2%) on the year before, to £8.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £29K against £39K owed within a year: 0.7 times cover.
- -1 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £8 | £29K | £39K | -1 | |
| 30 Apr 2024 | £26 | £24K | £34K | -1 | |
| 30 Apr 2023 | £7,378 | £18K | £23K | 1 | |
| 30 Apr 2022 | £29K | £31K | 1 | ||
| 30 Apr 2021 | £72K | £74K | 1 | ||
| 30 Apr 2020 | £26K | £21K | 1 | ||
| 30 Apr 2019 | £26K | £26K | |||
| 30 Apr 2018 | £13K | £12K | |||
| 30 Apr 2017 | -£691 | £1,808 |
Where SMK Conversions Limited is registered
The registered office is in Milton Keynes (MK3), in the Milton Keynes local authority area, South East. Show MK3 5FF on a map.
Other trade companies in MK3
- Sas Tiling Services LtdFloor and wall tilers
- Hoichuk LtdLandscapers and gardeners
- Stokes Properties and Renovations LimitedFinishing trades
- All Pro Contractors LimitedRoofers
- MK Power Factor LtdElectricians
- LWM Electrical LtdElectricians
- Deep Clean Top Car Wash LtdCleaning companies
- Savitar Construction LtdProperty developers
What happens if SMK Conversions 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10114865
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2016 (10 years ago)
- Registered office
- 34 Arran Way, Newton Leys, Bletchley, Milton Keynes, MK3 5FF
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 9 April 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 Milton Keynes
Other active installation companies (insulation, lifts, shutters and similar) registered in Milton Keynes.
- Soltaro Limited2015
- Soltaro-UK Ltd2025
- SR Thermal Services Ltd2018
- Stone and Granite Holdings Limited2015
- Stuart James (BSF) Limited2024
- Swanepoel Limited2013
- Teo Installations Ltd2021
- The Loftboarding Brothers Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Milton Keynes · All trades in Milton Keynes · Installers across the UK
Frequently asked questions
When are SMK Conversions Limited's accounts due?
SMK Conversions Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is SMK Conversions Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is SMK Conversions Limited still trading?
SMK Conversions 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 SMK Conversions Limited do?
SMK Conversions Limited is registered under Other construction installation (SIC 43290).
How old is SMK Conversions Limited?
SMK Conversions Limited was incorporated on 10 April 2016, 10 years ago.
What is the penalty if SMK Conversions 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 SMK Conversions 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.