- Companies
- Plumbers and heating engineers
- Hockley
- Delmark Construction Limited
Delmark Construction Limited
- Company number
- 06941716
- Incorporated
- 23 Jun 200917 years trading
- Registered office
- Cherry Tree Cottage, Cavendish Road, Hockley, Essex, SS5 5JY
- Nature of business
- Plumbing, heat and air-conditioning installation
Delmark Construction Limited is a 17-year-old private limited company registered in Hockley, company number 06941716, one of 24 plumbing and heating companies in Hockley. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £8,292 (+12.1%) on the year before, to -£60K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £14K against £44K owed within a year: 0.3 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£60K | £14K | £44K | 4 | |
| 30 Sep 2024 | -£69K | £110K | £141K | 3 | |
| 30 Sep 2023 | -£26K | £87K | £75K | 0 | |
| 30 Sep 2022 | -£5,951 | £76K | £35K | 4 | |
| 30 Sep 2021 | £17K | £4,609 | £40K | £26K | 4 |
| 30 Sep 2020 | £22K | £34K | £65K | £6,828 | 4 |
| 30 Sep 2019 | £7,245 | £6,384 | £15K | £8,394 | |
| 30 Sep 2018 | -£5,639 | £0 | £14K | £20K | |
| 30 Sep 2016 | -£967 | £18K | £21K | ||
| 30 Sep 2015 | -£9,025 | £29K | £40K |
Where Delmark Construction Limited is registered
The registered office is in Hockley (SS5), in the Rochford local authority area, East of England. Show SS5 5JY on a map.
Other trade companies in SS5
- Mmaggs Electrical LtdElectricians
- Precision Building and Contracting LimitedBuilders
- Se Maintenance Mechanical & Electrical Contractors LimitedElectricians
- Axiom Ground Care LimitedLandscapers and gardeners
- Sacred Space Cleaning LtdCleaning companies
- Wheelmasters Group LtdMotor traders
- Ice Masters LtdCleaning companies
- Vant Group LtdBuilders
What happens if Delmark Construction 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06941716
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2009 (17 years ago)
- Registered office
- Cherry Tree Cottage, Cavendish Road, Hockley, Essex, SS5 5JY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 26 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Hockley
Other active plumbing and heating companies registered in Hockley.
- Edwards Heating Company Ltd2014
- Essex Bathroom Installations Limited2016
- Hollands Heating Essex Limited2008
- Hygge Home Care Limited2016
- JGP Solutions Ltd2026
- KMP Plumbing and Heating Limited2005
- Mulrooney Mechanical Services Ltd2023
- Ok-Cool Refrigeration & Air Conditioning Ltd2026
All plumbing and heating companies in Hockley · All trades in Hockley · Plumbers and heating engineers across the UK
Frequently asked questions
When are Delmark Construction Limited's accounts due?
Delmark Construction Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Delmark Construction Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Delmark Construction Limited still trading?
Delmark Construction 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 Delmark Construction Limited do?
Delmark Construction Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Delmark Construction Limited?
Delmark Construction Limited was incorporated on 23 June 2009, 17 years ago.
What is the penalty if Delmark Construction 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 Delmark Construction 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.