- Company number
- 17375176
- Incorporated
- 1 Aug 2026
- Registered office
- 118 Woodside Road, London, N22 5HS
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Seven Sparks Electrical Ltd is a newly incorporated private limited company registered in London, company number 17375176, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 1 May 2028, and its first CT600 is due at HMRC on 31 July 2028.
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 Seven Sparks Electrical Ltd is registered
The registered office is in London (N22), in the Haringey local authority area, London. Show N22 5HS on a map.
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What happens if Seven Sparks Electrical 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 1 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 May 2028 to 1 Jun 2028 | £150 |
| 1 to 3 months late | 2 Jun 2028 to 1 Aug 2028 | £375 |
| 3 to 6 months late | 2 Aug 2028 to 1 Nov 2028 | £750 |
| More than 6 months late | From 2 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17375176
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2026
- Registered office
- 118 Woodside Road, London, N22 5HS
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Seventeen Builders Ltd2019
- Sevices247 Ltd2023
- Sevo Property and Investment Limited2020
- Sey Design & Build Limited2025
- Seymour Pope Imports Limited2003
- SF. Gheorghe Ltd2023
- Sfam Dev Ltd2018
- SFB Interior Refurbishment Ltd2020
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Seven Sparks Electrical Ltd's accounts due?
Seven Sparks Electrical Ltd's next accounts are due at Companies House by 1 May 2028 (in 566 days), covering the period to 31 August 2027.
When is Seven Sparks Electrical 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 31 July 2027, due by 31 July 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Seven Sparks Electrical Ltd still trading?
Seven Sparks Electrical 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 Seven Sparks Electrical Ltd do?
Seven Sparks Electrical Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Seven Sparks Electrical Ltd?
Seven Sparks Electrical Ltd was incorporated on 1 August 2026, less than a year ago.
What is the penalty if Seven Sparks Electrical 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 Seven Sparks Electrical 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.