- Companies
- Specialist contractors
- Diss
- CLS Solar Energy UK Ltd
CLS Solar Energy UK Ltd
- Company number
- 13736732
- Incorporated
- 11 Nov 20214 years trading
- Registered office
- Unit 16 Diss Business Hub, Hopper Way, Diss, IP22 4GT
- Nature of business
- Other specialised construction activities n.e.c.
CLS Solar Energy UK Ltd is a 4-year-old private limited company registered in Diss, company number 13736732, one of 21 specialist construction companies in Diss. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £11K (+3.3%) on the year before, to £357K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £3.3M against £2.9M owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £357K | £304K | £3.3M | £2.9M | 0 |
| 30 Nov 2024 | £345K | £607K | £3.1M | £2.7M | 0 |
| 30 Nov 2023 | £286K | £13K | £1.7M | £1.4M | 0 |
| 30 Nov 2022 | £625K | £349K | £2.2M | £1.5M | 0 |
Where CLS Solar Energy UK Ltd is registered
The registered office is in Diss (IP22), in the South Norfolk local authority area, East of England. Show IP22 4GT on a map.
Other trade companies in IP22
- Iris FM LimitedFacilities management
- Corinthian Commercials LimitedMotor traders
- Barnes Restoration Builders LtdBuilders
- The Range Care Co (East Anglia) LtdRepair services
- Threeways Estates LtdProperty developers
- T.G Snelling General Builders LtdBuilders
- GSM Contracting LtdCivil engineering
- Complete Treecare & Landscapes LtdLandscapers and gardeners
Also registered at this address
1 other company uses the same registered office as CLS Solar Energy UK Ltd.
- Altair Geological and Environmental Services LtdSpecialist contractors
What happens if CLS Solar Energy UK 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13736732
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 November 2021 (4 years ago)
- Registered office
- Unit 16 Diss Business Hub, Hopper Way, Diss, IP22 4GT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Diss
Other active specialist construction companies registered in Diss.
- DJP Traffic Solutions Ltd2026
- Fountain Fabrications Limited2012
- GKDF Construction Limited2025
- Ian Paris Ltd2019
- L A Hurrell Limited1999
- Manor House Oak Ltd2022
- P.H.I. (Kitchens & Bathrooms) Limited2007
- Petersfield Plant Hire Ltd2004
All specialist construction companies in Diss · All trades in Diss · Specialist contractors across the UK
Frequently asked questions
When are CLS Solar Energy UK Ltd's accounts due?
CLS Solar Energy UK Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is CLS Solar Energy UK Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is CLS Solar Energy UK Ltd still trading?
CLS Solar Energy UK 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 CLS Solar Energy UK Ltd do?
CLS Solar Energy UK Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CLS Solar Energy UK Ltd?
CLS Solar Energy UK Ltd was incorporated on 11 November 2021, 4 years ago.
What is the penalty if CLS Solar Energy UK 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 CLS Solar Energy UK 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.