- Companies
- Motor traders
- Norwich
- Retrotronics Ltd
Retrotronics Ltd
- Company number
- 13396900
- Incorporated
- 14 May 20215 years trading
- Registered office
- 35 Windmill Court, Norwich, NR3 4ET
- Nature of business
- Sale of used cars and light motor vehicles; Maintenance and repair of motor vehicles; Other engineering activities
Retrotronics Ltd is a 5-year-old private limited company registered in Norwich, company number 13396900, one of 204 motor trade companies in Norwich. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £1,391 (+567.8%) on the year before, to £1,636.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1,636 | £3,827 | £2,191 | 1 | |
| 31 Mar 2024 | £245 | £1,120 | £875 | 1 | |
| 31 Mar 2023 | -£1,347 | £2,247 | £3,594 | 1 | |
| 31 Mar 2022 | -£1,133 | £785 | £1,918 | 1 |
Where Retrotronics Ltd is registered
The registered office is in Norwich (NR3), in the Norwich local authority area, East of England. Show NR3 4ET on a map.
Other trade companies in NR3
- Faberdean BF LimitedProperty developers
- Blyde Welding LtdSpecialist contractors
- Castle Acre Holdings LimitedFinishing trades
- Squeaky Clean Valeting LtdMechanics and garages
- Starkey Pipelines LimitedCivil engineering
- Signature Pro LtdPainters and decorators
- Deutch Contracting Services LimitedBuilders
- Full-Scope Consultants LtdGroundworks and demolition
What happens if Retrotronics 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13396900
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2021 (5 years ago)
- Registered office
- 35 Windmill Court, Norwich, NR3 4ET
- Nature of business
- Sale of used cars and light motor vehicles (SIC 45112)
Maintenance and repair of motor vehicles (SIC 45200)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 July 2026
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Norwich
Other active motor trade companies registered in Norwich.
- Roger Bradbury Limited1978
- Saracens Sales Limited2013
- Scotts Bodyshop Supplies Limited2021
- SFS Auto Trade Ltd2024
- Shadow Paint Hub Ltd2026
- Shaneys Autos Ltd2024
- SHX Trading Limited2023
- Signature Moto Limited2015
All motor trade companies in Norwich · All trades in Norwich · Motor traders across the UK
Frequently asked questions
When are Retrotronics Ltd's accounts due?
Retrotronics Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Retrotronics Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Retrotronics Ltd still trading?
Retrotronics 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 Retrotronics Ltd do?
Retrotronics Ltd is registered under Sale of used cars and light motor vehicles (SIC 45112); Maintenance and repair of motor vehicles (SIC 45200); Other engineering activities (SIC 71129).
How old is Retrotronics Ltd?
Retrotronics Ltd was incorporated on 14 May 2021, 5 years ago.
What is the penalty if Retrotronics 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 Retrotronics 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.