- Companies
- Mechanics and garages
- Barnet
- SD6 Performance Ltd
SD6 Performance Ltd
- Company number
- 15834903
- Incorporated
- 12 Jul 20242 years trading
- Registered office
- Rear of 17 Plantagenet Road, Barnet, Hertfordshire, EN5 5JG
- Nature of business
- Maintenance and repair of motor vehicles; Other business support service activities n.e.c.
SD6 Performance Ltd is a 2-year-old private limited company registered in Barnet, company number 15834903, one of 50 vehicle repair garages in Barnet. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where SD6 Performance Ltd is registered
The registered office is in Barnet (EN5), in the Barnet local authority area, London. Show EN5 5JG on a map.
Other trade companies in EN5
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- Greatway Business LtdInstallers
- Je Mobile Tyres LtdMechanics and garages
- Barnet Air LtdPlumbers and heating engineers
- Hutch Electrical LtdElectricians
- Nexflow Mechanical LtdSpecialist contractors
- A J Plant LtdMotor traders
- Plumbing365 LtdPlumbers and heating engineers
Also registered at this address
18 other companies use the same registered office as SD6 Performance Ltd.
- 786 Motor Traders LimitedMotor traders
- A and U Capital LtdMotor traders
- A&B Brickwork LtdSpecialist contractors
- Adrian and Sons Group LimitedBuilders
- Automotive Gurus LimitedMotor traders
- Az Home Constructions LtdBuilders
- Cubit Design & Building LtdBuilders
- Farlan Automotive LimitedMotor traders
- Gurukrupa Builders & Decorators LtdBuilders
- KV Design and Build LimitedBuilders
- MLS Auto Dealership LimitedMotor traders
- Penthou53 LtdPlumbers and heating engineers
- Progressive Plastering LimitedBuilders
- Rems Holding LtdBuilders
- Sweet News LimitedProperty developers
- Universe Project Management LimitedBuilders
- Winchmore Hill Services LtdMechanics and garages
- Wrenche'd Customs LtdMechanics and garages
What happens if SD6 Performance 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15834903
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 July 2024 (2 years ago)
- Registered office
- Rear of 17 Plantagenet Road, Barnet, Hertfordshire, EN5 5JG
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 11 July 2025
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Barnet
Other active vehicle repair garages registered in Barnet.
- Straight Line Motors Ltd2019
- SWM Servicing Ltd2026
- Tomux Auto Services Limited2026
- Top Gun Refinishing Limited2002
- Van Engine Rebuild Specialists Ltd2025
- Virtual 7 Race Engineering Limited2018
- West London Dents Ltd2014
- Wild Smart Vehicle Repairs Ltd2022
All vehicle repair garages in Barnet · All trades in Barnet · Mechanics and garages across the UK
Frequently asked questions
When are SD6 Performance Ltd's accounts due?
SD6 Performance Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is SD6 Performance Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is SD6 Performance Ltd still trading?
SD6 Performance Ltd is listed as active on the Companies House register (checked 12 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 SD6 Performance Ltd do?
SD6 Performance Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200); Other business support service activities n.e.c. (SIC 82990).
How old is SD6 Performance Ltd?
SD6 Performance Ltd was incorporated on 12 July 2024, 2 years ago.
What is the penalty if SD6 Performance 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 SD6 Performance Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.