- Companies
- Installers
- London
- Solidcore Limited
Solidcore Limited
- Company number
- 17044599
- Incorporated
- 20 Feb 2026
- Registered office
- 70 Bristol Road, London, E7 8HF
- Nature of business
- Other construction installation
Solidcore Limited is a newly incorporated private limited company registered in London, company number 17044599, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 20 November 2027, and its first CT600 is due at HMRC on 19 February 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Solidcore LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Solidcore Limited is registered
The registered office is in London (E7), in the Newham local authority area, London. Show E7 8HF on a map.
Other trade companies in E7
- Eastern Power Services Group LimitedElectricians
- Maintenance Group UK LimitedMachinery repair and installation
- Sypropertiesservices LtdFinishing trades
- A3Automotives LtdMotor traders
- Love 4 Properties LtdProperty developers
- MMS Private LtdRepair services
- Nexb LtdMotor traders
- Ad Tyres & Automotive LtdMotor traders
What happens if Solidcore 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 20 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Nov 2027 to 20 Dec 2027 | £150 |
| 1 to 3 months late | 21 Dec 2027 to 20 Feb 2028 | £375 |
| 3 to 6 months late | 21 Feb 2028 to 20 May 2028 | £750 |
| More than 6 months late | From 21 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17044599
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2026
- Registered office
- 70 Bristol Road, London, E7 8HF
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Solomon Wise Consultants Ltd2022
- Sonalis Renewables Energy Limited2025
- Sosav Ltd2025
- Soufian El Idrissi Bespoke Ltd2022
- Source Pay Ltd2019
- South London Gas Services Limited2025
- Southpole London Ltd2004
- SP Lifts Limited2022
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Solidcore Limited's accounts due?
Solidcore Limited's next accounts are due at Companies House by 20 November 2027 (in 404 days), covering the period to 28 February 2027.
When is Solidcore Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 February 2027, due by 19 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Solidcore Limited still trading?
Solidcore 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 Solidcore Limited do?
Solidcore Limited is registered under Other construction installation (SIC 43290).
How old is Solidcore Limited?
Solidcore Limited was incorporated on 20 February 2026, less than a year ago.
What is the penalty if Solidcore 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 Solidcore 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.