- Companies
- Finishing trades
- Towcester
- Opec Construction Ltd
Opec Construction Ltd
- Company number
- 03669621
- Incorporated
- 18 Nov 199827 years trading
- Registered office
- Henge Barn Pury Hill Business Park, Alderton Road, Towcester, Northamptonshire, NN12 7LS
- Nature of business
- Other building completion and finishing
Opec Construction Ltd is a 27-year-old private limited company registered in Towcester, company number 03669621, one of 17 building finishing companies in Towcester. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
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 £22K (+3%) on the year before, to £771K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £1.2M against £440K owed within a year: 2.7 times cover.
- 7 employees on average, down from 10 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £771K | £890K | £1.2M | £440K | 7 |
| 30 Jun 2025 | £749K | £457K | £875K | £135K | 10 |
| 30 Jun 2024 | £686K | £311K | £1.1M | £404K | 9 |
| 30 Jun 2023 | £612K | £31K | £840K | £159K | 9 |
| 30 Jun 2022 | £687K | £31K | £1.3M | £473K | 9 |
| 31 Mar 2021 | £561K | £75K | £1.2M | £455K | 9 |
Public contracts won
Opec Construction Ltd has one public sector contract award on record; the ones with their own published value total £250K (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Financial Conduct Authority | Secure Room Alterations | £250K | 29 Jul 2026 |
Where Opec Construction Ltd is registered
The registered office is in Towcester (NN12), in the West Northamptonshire local authority area, East Midlands. Show NN12 7LS on a map.
Other trade companies in NN12
- Abpearce LimitedProperty developers
- Ajpearce LimitedElectricians
- Eays Rent LtdMechanics and garages
- Oske Equestrian LimitedSpecialist contractors
- Felix Painting LtdBuilders
- JF Electrical Solutions LtdElectricians
- Church's Electrical LimitedElectricians
- J.R Auto Engineering LtdMechanics and garages
Shared registered office
77 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Opec Construction 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | 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
- 03669621
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 November 1998 (27 years ago)
- Registered office
- Henge Barn Pury Hill Business Park, Alderton Road, Towcester, Northamptonshire, NN12 7LS
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 24 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Towcester
Other active building finishing companies registered in Towcester.
- Patient Property Services Ltd.2013
- Paul's Pury Services Ltd2009
- PSG Global Limited2010
- SGH Maintenance Limited2011
- Ahi Kitchens and Bathrooms Ltd2024
- Aquitaine (Building Services) Limited2010
- Aquitaine Holdings Limited2024
- Atkins Renovations Ltd2025
All building finishing companies in Towcester · All trades in Towcester · Finishing trades across the UK
Frequently asked questions
When are Opec Construction Ltd's accounts due?
Opec Construction Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is Opec Construction Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Opec Construction Ltd still trading?
Opec Construction 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 Opec Construction Ltd do?
Opec Construction Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Opec Construction Ltd?
Opec Construction Ltd was incorporated on 18 November 1998, 27 years ago.
Has Opec Construction Ltd won public sector contracts?
Yes. Opec Construction Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £250K), most recently from Financial Conduct Authority.
What is the penalty if Opec Construction 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 Opec Construction Ltd 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.