- Companies
- Civil engineering
- Kings Langley
- Smartpark Solar Ltd
Smartpark Solar Ltd
- Company number
- 17426686
- Incorporated
- 28 Aug 2026
- Registered office
- Gyfres Farm, Bucks Hill, Kings Langley, WD4 9BR
- Nature of business
- Construction of utility projects for electricity and telecommunications
Smartpark Solar Ltd is a newly incorporated private limited company registered in Kings Langley, company number 17426686, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 28 May 2028, and its first CT600 is due at HMRC on 27 August 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?
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Where Smartpark Solar Ltd is registered
The registered office is in Kings Langley (WD4), in the Three Rivers local authority area, East of England. Show WD4 9BR on a map.
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What happens if Smartpark Solar 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 28 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 May 2028 to 28 Jun 2028 | £150 |
| 1 to 3 months late | 29 Jun 2028 to 28 Aug 2028 | £375 |
| 3 to 6 months late | 29 Aug 2028 to 28 Nov 2028 | £750 |
| More than 6 months late | From 29 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
- 17426686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 August 2026
- Registered office
- Gyfres Farm, Bucks Hill, Kings Langley, WD4 9BR
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Kings Langley
Other active civil engineering contractors registered in Kings Langley.
- CD Bridgeman Supervisory Services Limited2014
- Cinnamond Plant Limited1972
- McMullan Construction Limited2017
All civil engineering contractors in Kings Langley · All trades in Kings Langley · Civil engineering across the UK
Frequently asked questions
When are Smartpark Solar Ltd's accounts due?
Smartpark Solar Ltd's next accounts are due at Companies House by 28 May 2028 (in 593 days), covering the period to 31 August 2027.
When is Smartpark Solar 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 27 August 2027, due by 27 August 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 Smartpark Solar Ltd still trading?
Smartpark Solar 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 Smartpark Solar Ltd do?
Smartpark Solar Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Smartpark Solar Ltd?
Smartpark Solar Ltd was incorporated on 28 August 2026, less than a year ago.
What is the penalty if Smartpark Solar 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 Smartpark Solar 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.