- Companies
- Electricians
- London
- Sparky Master Ltd
Sparky Master Ltd
- Company number
- 16250868
- Incorporated
- 13 Feb 20251 year trading
- Registered office
- 11 Colebrook Way, London, N11 1SZ
- Nature of business
- Electrical installation; Other construction installation; Other building completion and finishing
Sparky Master Ltd is a 1-year-old private limited company registered in London, company number 16250868, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 13 November 2026, and its first CT600 is due at HMRC on 12 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Sparky Master Ltd is registered
The registered office is in London (N11), in the Enfield local authority area, London. Show N11 1SZ on a map.
Other trade companies in N11
- Buildworks London LimitedBuilders
- KRS Autos LtdMechanics and garages
- DPH Decorators LtdPainters and decorators
- GLC Rigging LtdScaffolders
- Gorgeous Gutters LimitedCleaning companies
- Hemmel MOT & Service Centre LimitedMechanics and garages
- Purespace Property Services LtdCleaning companies
- DG Build LtdBuilders
What happens if Sparky Master 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 13 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Nov 2026 to 13 Dec 2026 | £150 |
| 1 to 3 months late | 14 Dec 2026 to 13 Feb 2027 | £375 |
| 3 to 6 months late | 14 Feb 2027 to 13 May 2027 | £750 |
| More than 6 months late | From 14 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16250868
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2025 (1 year ago)
- Registered office
- 11 Colebrook Way, London, N11 1SZ
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 12 February 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- Sparky Tech Ltd2026
- Sparkz Electricals Ltd2022
- Spart Electricians Ltd2013
- Specialist Lighting Contractor & Supplier Limited2025
- Spectra Mep Services Ltd2021
- Spectrum Electrical Ltd2026
- Speedy Domestic Repair Ltd2018
- SPL Construct Limited2004
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Sparky Master Ltd's accounts due?
Sparky Master Ltd's next accounts are due at Companies House by 13 November 2026 (in 32 days), covering the period to 28 February 2026.
When is Sparky Master Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 12 February 2026, due by 12 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sparky Master Ltd still trading?
Sparky Master 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 Sparky Master Ltd do?
Sparky Master Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Sparky Master Ltd?
Sparky Master Ltd was incorporated on 13 February 2025, 1 year ago.
What is the penalty if Sparky Master 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 Sparky Master 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.