- Companies
- Specialist contractors
- Ware
- Sustain Energy Solutions Limited
Sustain Energy Solutions Limited
- Company number
- 07887108
- Incorporated
- 20 Dec 201114 years trading
- Registered office
- Suite 6 Broadmeads Pumping Station, Hertford Road, Ware, Hertfordshire, SG12 9LH
- Nature of business
- Other specialised construction activities n.e.c.
Sustain Energy Solutions Limited is a 14-year-old private limited company registered in Ware, company number 07887108, one of 43 specialist construction companies in Ware. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 Sustain Energy Solutions 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.
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 down £25K (-42.1%) on the year before, to £35K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £642K against £550K owed within a year: 1.2 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £35K | £642K | £550K | 10 | |
| 31 Mar 2024 | £60K | £403K | £344K | 10 | |
| 31 Mar 2023 | £100 | £100 | |||
| 31 Mar 2022 | £110K | £328K | £438K | 0 | |
| 31 Mar 2021 | £110K | £328K | £438K | 0 | |
| 31 Mar 2020 | £105K | £357K | £461K | 2 | |
| 31 Mar 2019 | £89K | £498K | £587K | ||
| 31 Mar 2018 | £174K | £469K | £642K | ||
| 31 Mar 2017 | £225K | £9.5M | £9.3M | ||
| 31 Mar 2016 | £92K | £372K | £8.9M | £8.8M |
Who runs and owns Sustain Energy Solutions Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** B*** | Director | Apr 2023 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** C*** | Director | Dec 2011 | Apr 2023 |
| D*** E*** | Director | Dec 2011 | Apr 2023 |
| P*** V*** | Director | Apr 2023 | Oct 2023 |
People with significant control (2)
Where Sustain Energy Solutions Limited is registered
The registered office is in Ware (SG12), in the East Hertfordshire local authority area, East of England. Show SG12 9LH on a map.
Other trade companies in SG12
- JB Garden Services LimitedLandscapers and gardeners
- Fryer Electrical LtdElectricians
- Aventus Air Conditioning and Electrical Services LtdElectricians
- Rews Garden Rooms LtdInstallers
- Clean As F LtdCleaning companies
- Lybra Contract Cleaning LtdCleaning companies
- The Room Revivers LimitedJoiners and carpenters
- Addison Tiling LtdFloor and wall tilers
Also registered at this address
1 other company uses the same registered office as Sustain Energy Solutions Limited.
- Sunscribe LimitedCivil engineering
What happens if Sustain Energy Solutions 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07887108
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2011 (14 years ago)
- Registered office
- Suite 6 Broadmeads Pumping Station, Hertford Road, Ware, Hertfordshire, SG12 9LH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 March 2026
- Previous names
- Sustain Electrical Solar Limited (until 22 Sep 2022)
Sustain Solar Limited (until 21 Sep 2022)
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 Ware
Other active specialist construction companies registered in Ware.
- Taybur Construction Limited2013
- Tbpachura Ltd2018
- The Complete Restoration Company (Hertford) Limited2000
- Topdeck Lofts Limited2015
- Ventilation Ductwork Ltd2024
- Vinyl Innovation Ltd2023
- Abc Absolute Building and Carpentry Ltd2023
- Accora Group Limited2024
All specialist construction companies in Ware · All trades in Ware · Specialist contractors across the UK
Frequently asked questions
When are Sustain Energy Solutions Limited's accounts due?
Sustain Energy Solutions Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sustain Energy Solutions Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sustain Energy Solutions Limited still trading?
Sustain Energy Solutions 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 Sustain Energy Solutions Limited do?
Sustain Energy Solutions Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sustain Energy Solutions Limited?
Sustain Energy Solutions Limited was incorporated on 20 December 2011, 14 years ago.
Who runs Sustain Energy Solutions Limited?
Sustain Energy Solutions Limited has 1 active director, the longest-serving appointed in Apr 2023. Their names and service addresses are on the Companies House register.
Who owns Sustain Energy Solutions Limited?
2 people or companies have significant control of Sustain Energy Solutions Limited: Sustain Team Limited (owns 75% or more of the shares); Sustain UK Holdings Limited (owns 75% or more of the shares).
What is the penalty if Sustain Energy Solutions 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 Sustain Energy Solutions 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.