- Companies
- Civil engineering
- Keighley
- Solar Boost Ltd
Solar Boost Ltd
- Company number
- 09993681
- Incorporated
- 9 Feb 201610 years trading
- Registered office
- 135 Skipton Road, Keighley, West Yorkshire, BD21 3BG
- Nature of business
- Construction of utility projects for electricity and telecommunications; Electrical installation
Solar Boost Ltd is a 10-year-old private limited company registered in Keighley, company number 09993681, one of 20 civil engineering contractors in Keighley. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Solar Boost LtdOr 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.
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 £4,347 (+100%) on the year before, to £1.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £30K against £30K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1 | £30K | £30K | 0 | |
| 30 Jun 2024 | -£4,346 | £21K | £24K | 0 | |
| 30 Jun 2023 | -£4,684 | £2,066 | £6,000 | 0 | |
| 30 Jun 2022 | £1 | £1 | £0 | 0 | |
| 28 Feb 2022 | £1 | £18K | £17K | 0 | |
| 28 Feb 2021 | -£1,273 | £12K | 0 | ||
| 29 Feb 2020 | -£1,020 | £12K | 0 | ||
| 28 Feb 2019 | -£780 | £450 | 0 | ||
| 28 Feb 2018 | -£540 | £210 | 0 | ||
| 28 Feb 2017 | -£330 | £300 | 0 |
Where Solar Boost Ltd is registered
The registered office is in Keighley (BD21), in the Bradford local authority area, Yorkshire and The Humber. Show BD21 3BG on a map.
Other trade companies in BD21
- Volvtech LtdMechanics and garages
- TK Building & Plastering LtdPlasterers
- Voltedge Electrical Service's LtdElectricians
- Capital Car Sales LimitedMotor traders
- Kaystruct LtdCivil engineering
- Avcauc LtdCleaning companies
- Yw Motors LtdMotor traders
- Cutting Edge Joinery LtdJoiners and carpenters
What happens if Solar Boost 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 09993681
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2016 (10 years ago)
- Registered office
- 135 Skipton Road, Keighley, West Yorkshire, BD21 3BG
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Electrical installation (SIC 43210) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 June 2026
- Previous names
- Cbem Limited (until 20 Sep 2022)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Keighley
Other active civil engineering contractors registered in Keighley.
- W & O Groundworks Limited2009
- Aire Valley Surfacing Yorkshire Limited2023
- Beck Bros Construction Ltd2026
- Centurion Fire Group (UK) Ltd2026
- Cla Urban Development Limited2007
- Cla Urban International Ltd2015
- David Barnes Tarmacadam Limited2013
- Greengate Autos Limited2004
All civil engineering contractors in Keighley · All trades in Keighley · Civil engineering across the UK
Frequently asked questions
When are Solar Boost Ltd's accounts due?
Solar Boost Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Solar Boost Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Solar Boost Ltd still trading?
Solar Boost 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 Solar Boost Ltd do?
Solar Boost Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Electrical installation (SIC 43210).
How old is Solar Boost Ltd?
Solar Boost Ltd was incorporated on 9 February 2016, 10 years ago.
What is the penalty if Solar Boost 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 Solar Boost 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.