- Company number
- 10517483
- Incorporated
- 8 Dec 20169 years trading
- Registered office
- Tawny Owl Barn Higher Farm, Langton Herring, Weymouth, Dorset, DT3 4HX
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Enntech Mechanical Engineering Limited is a 9-year-old private limited company registered in Weymouth, company number 10517483, one of 51 building contractors in Weymouth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £90 (+7.8%) on the year before, to £1,249.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £98K against £75K owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1,249 | £11K | £98K | £75K | 1 |
| 31 Dec 2024 | £1,159 | £26K | £106K | £78K | 1 |
| 31 Dec 2023 | £1,710 | £13K | £153K | £122K | 1 |
| 31 Dec 2022 | £2,788 | £29K | £92K | £58K | 1 |
| 31 Dec 2021 | £4,335 | £50K | £175K | £136K | 1 |
| 31 Dec 2020 | £24K | £85K | £103K | £35K | 1 |
| 31 Dec 2019 | £29K | £31K | £62K | £36K | |
| 31 Dec 2018 | £9,954 | £22K | £31K | £26K | |
| 31 Dec 2017 | £12K | £28K |
Where Enntech Mechanical Engineering Limited is registered
The registered office is in Weymouth (DT3), in the Dorset local authority area, South West. Show DT3 4HX on a map.
Other trade companies in DT3
- Nibbio Collective LimitedMotor traders
- Seaward Car Sales LimitedMotor traders
- Carolan Construct LtdBuilders
- Rogers Repointing LtdSpecialist contractors
- Sage Services Plumbing & Heating LtdPlumbers and heating engineers
- Dorset Composites LtdMachinery repair and installation
- Brown Property Developments LimitedBuilders
- Ashworth Decor LtdPainters and decorators
What happens if Enntech Mechanical Engineering 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 10517483
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 December 2016 (9 years ago)
- Registered office
- Tawny Owl Barn Higher Farm, Langton Herring, Weymouth, Dorset, DT3 4HX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 7 December 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Weymouth
Other active building contractors registered in Weymouth.
- Helen Developments Limited2012
- Highdean Limited1999
- Jordan & Faber Limited2002
- KM Home Improvements Limited2023
- KP Alpha Builds Ltd2026
- L C Wills Contracts Limited1999
- Lake Developments (Weymouth) Limited2014
- M & P Bricklayers Limited2018
All building contractors in Weymouth · All trades in Weymouth · Builders across the UK
Frequently asked questions
When are Enntech Mechanical Engineering Limited's accounts due?
Enntech Mechanical Engineering Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Enntech Mechanical Engineering Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Enntech Mechanical Engineering Limited still trading?
Enntech Mechanical Engineering 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 Enntech Mechanical Engineering Limited do?
Enntech Mechanical Engineering Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Enntech Mechanical Engineering Limited?
Enntech Mechanical Engineering Limited was incorporated on 8 December 2016, 9 years ago.
What is the penalty if Enntech Mechanical Engineering 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 Enntech Mechanical Engineering 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.