- Companies
- Electricians
- Wellington
- Dunster Energy Limited
Dunster Energy Limited
- Company number
- 09996736
- Incorporated
- 9 Feb 201610 years trading
- Registered office
- Unit Z18 Westpark 26, Chelston, Wellington, Somerset, TA21 9AD
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Dunster Energy Limited is a 10-year-old private limited company registered in Wellington, company number 09996736, one of 7 electrical contractors in Wellington. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £13K (+6.7%) on the year before, to £207K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £213K against £7,228 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £207K | £277 | £213K | £7,228 | 0 |
| 30 Apr 2024 | £194K | £693 | £205K | £13K | 3 |
| 30 Apr 2023 | £88K | £181 | £101K | £14K | 2 |
| 30 Apr 2022 | £69K | £170 | £83K | £14K | 3 |
| 30 Apr 2021 | £80K | £51 | £102K | £22K | 4 |
| 30 Apr 2020 | £75K | £60 | £101K | £26K | 4 |
| 30 Apr 2019 | £69K | £180 | £95K | £27K | |
| 30 Apr 2018 | £127K | £76 | £166K | £40K | |
| 30 Apr 2017 | £49 | ||||
| 30 Apr 2016 | £201K | £103K |
Where Dunster Energy Limited is registered
The registered office is in Wellington (TA21), in the Somerset local authority area, South West. Show TA21 9AD on a map.
Other trade companies in TA21
- Ranger Motors LimitedMotor traders
- Paxton Gardening LtdLandscapers and gardeners
- Skyview Developments (SW) LtdProperty developers
- Bussell Group LtdCivil engineering
- Classic Glazing South West LtdGlaziers
- Total Build Solutions LimitedCivil engineering
- Curt Willis Motors LtdMechanics and garages
- Davam Utility LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Dunster Energy Limited.
- Dunster Biomass Heating LimitedPlumbers and heating engineers
What happens if Dunster Energy 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 09996736
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2016 (10 years ago)
- Registered office
- Unit Z18 Westpark 26, Chelston, Wellington, Somerset, TA21 9AD
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 3 February 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Wellington
Other active electrical contractors registered in Wellington.
- M M I Building Services Limited2005
- Top Building Maintenance Ltd2018
- Altenergy Limited2021
- Clean NRG Solar Solutions Limited2025
- Cordy Connect Electrical Services Limited2025
- D Tudor Electrical Limited2010
All electrical contractors in Wellington · All trades in Wellington · Electricians across the UK
Frequently asked questions
When are Dunster Energy Limited's accounts due?
Dunster Energy Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Dunster Energy Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Dunster Energy Limited still trading?
Dunster Energy 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 Dunster Energy Limited do?
Dunster Energy Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dunster Energy Limited?
Dunster Energy Limited was incorporated on 9 February 2016, 10 years ago.
What is the penalty if Dunster Energy 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 Dunster Energy 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.