- Companies
- Civil engineering
- Derry
- Jar Construction Limited
Jar Construction Limited
- Company number
- NI058663
- Incorporated
- 27 Mar 200620 years trading
- Registered office
- At the Offices of Claremount, 43 Clarendon Street, Derry, Co Londonderry, BT48 7ER
- Nature of business
- Construction of other civil engineering projects n.e.c.
Jar Construction Limited is a 20-year-old private limited company registered in Derry, company number NI058663, one of 13 civil engineering contractors in Derry. 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.
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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 £17K (+2.9%) on the year before, to -£561K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | -£561K | £604K | 1 | ||
| 31 Mar 2023 | -£578K | £621K | 1 | ||
| 31 Mar 2022 | -£559K | £602K | 0 | ||
| 31 Mar 2021 | -£559K | £602K | 0 | ||
| 31 Mar 2020 | -£577K | £666K | 0 | ||
| 31 Mar 2019 | -£560K | £646K | |||
| 31 Mar 2018 | -£561K | £657K | |||
| 31 Mar 2017 | -£848K | £985K | |||
| 31 Mar 2016 | -£834K | £79K | £913K | ||
| 31 Mar 2015 | -£189K | £633K | £821K |
Where Jar Construction Limited is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 7ER on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
Also registered at this address
2 other companies use the same registered office as Jar Construction Limited.
- Gulfstream Marine LimitedMachinery repair and installation
- O'Donnell Properties (Ireland) LimitedProperty developers
What happens if Jar 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 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
- NI058663
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 March 2006 (20 years ago)
- Registered office
- At the Offices of Claremount, 43 Clarendon Street, Derry, Co Londonderry, BT48 7ER
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 September 2026
- Charges (mortgages)
- 0 outstanding of 4 registered
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 Derry
Other active civil engineering contractors registered in Derry.
- MCK Utilities Limited2020
- Rolling Hills Construction Ltd2022
- Silverhill Contracts Ltd.2017
- Amg Welding Fabrication & Mechanical Services Limited2024
- Cdni Limited2022
- CPW Elec Ltd2024
- D.S.S Plant Contracts Ltd2026
- DB Utility Services Ltd2022
All civil engineering contractors in Derry · All trades in Derry · Civil engineering across the UK
Frequently asked questions
When are Jar Construction Limited's accounts due?
Jar Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Jar Construction 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 Jar Construction Limited still trading?
Jar 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 Jar Construction Limited do?
Jar Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Jar Construction Limited?
Jar Construction Limited was incorporated on 27 March 2006, 20 years ago.
What is the penalty if Jar 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 Jar 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.