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  4. Energy Engineering Ltd

Energy Engineering Ltd

ActiveTotal exemption (full) accountsCivil engineeringDartford
Company number
06740656
Incorporated
4 Nov 200817 years trading
Registered office
Bellbine House, 156 Shirehall Road, Dartford, Kent, DA2 7SN
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
323 days
31 Aug 2027
Net assets
£1.5M▲
+26.1% on the year before
Cash at bank
£392K▼
At 30 Nov 2025
Employees
12
Average during the year
From the Companies House register, 1 Oct 2026

Energy Engineering Ltd is a 17-year-old private limited company registered in Dartford, company number 06740656, one of 46 civil engineering contractors in Dartford. 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.

Accounts due
31 Aug 2027
in 323 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 414 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 324 days
9 months and 1 day after the period end
Confirmation statement
18 Nov 2026
in 37 days
Last made up to 4 Nov 2025

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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 £305K (+26.1%) on the year before, to £1.5M.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £1.9M against £520K owed within a year: 3.6 times cover.
  • 12 employees on average, up from 11 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£500K£1M30 November 2016: net assets £449K£449K201630 November 2017: net assets £444K£444K201730 November 2018: net assets £415K£415K201830 November 2019: net assets £367K£367K201930 November 2020: net assets £534K£534K202030 November 2021: net assets £826K£826K202130 November 2022: net assets £845K£845K202230 November 2023: net assets £1.1M£1.1M202330 November 2024: net assets £1.2M£1.2M202430 November 2025: net assets £1.5M£1.5M2025
Net assets at each year end, 2016 to 2025£0£500K£1M30 November 2016: net assets £449K£449K'1630 November 2017: net assets £444K£444K'1730 November 2018: net assets £415K£415K'1830 November 2019: net assets £367K£367K'1930 November 2020: net assets £534K£534K'2030 November 2021: net assets £826K£826K'2130 November 2022: net assets £845K£845K'2230 November 2023: net assets £1.1M£1.1M'2330 November 2024: net assets £1.2M£1.2M'2430 November 2025: net assets £1.5M£1.5M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£1.5M£392K£1.9M£520K12
30 Nov 2024£1.2M£396K£1.2M£139K11
30 Nov 2023£1.1M£705K£1.2M£240K12
30 Nov 2022£845K£553K£925K£165K9
30 Nov 2021£826K£397K£861K£119K9
30 Nov 2020£534K£316K£599K£145K9
30 Nov 2019£367K£262K£421K£93K10
30 Nov 2018£415K£370K£492K£102K10
30 Nov 2017£444K£348K£535K£148K10
30 Nov 2016£449K£387K£600K£206K

Where Energy Engineering Ltd is registered

Energy Engineering Ltd's registered office on a map of the UK

The registered office is in Dartford (DA2), in the Dartford local authority area, South East. Show DA2 7SN on a map.

Other trade companies in DA2

Also registered at this address

2 other companies use the same registered office as Energy Engineering Ltd.

What happens if Energy Engineering 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 HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 2028another 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
06740656
Status
Active
Company type
Private limited company
Incorporated
4 November 2008 (17 years ago)
Registered office
Bellbine House, 156 Shirehall Road, Dartford, Kent, DA2 7SN
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
4 November 2025

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 Dartford

Other active civil engineering contractors registered in Dartford.

All civil engineering contractors in Dartford · All trades in Dartford · Civil engineering across the UK

Frequently asked questions

When are Energy Engineering Ltd's accounts due?

Energy Engineering Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.

When is Energy Engineering 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 Energy Engineering Ltd still trading?

Energy Engineering 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 Energy Engineering Ltd do?

Energy Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Energy Engineering Ltd?

Energy Engineering Ltd was incorporated on 4 November 2008, 17 years ago.

What is the penalty if Energy Engineering 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 Energy Engineering Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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