- Companies
- Installers
- Darlington
- Opdoc Limited
Opdoc Limited
- Company number
- 10493917
- Incorporated
- 23 Nov 20169 years trading
- Registered office
- 97 Elton Road, Darlington, DL3 8NA
- Nature of business
- Other construction installation
Opdoc Limited is a 9-year-old private limited company registered in Darlington, company number 10493917, one of 41 installation companies (insulation, lifts, shutters and similar) in Darlington. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Opdoc LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 down £3,900 (-26.2%) on the year before, to £11K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- 2 employees 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 |
|---|---|---|---|---|---|
| 5 Apr 2025 | £11K | £1,000 | £0 | 2 | |
| 5 Apr 2024 | £15K | £900 | £0 | 2 | |
| 5 Apr 2023 | £4,200 | £1,200 | £0 | 2 | |
| 5 Apr 2022 | £4,700 | £700 | £0 | 2 | |
| 5 Apr 2021 | £3,450 | £200 | £0 | 2 | |
| 5 Apr 2020 | £3,050 | £550 | 2 | ||
| 5 Apr 2019 | £4,237 | £1,237 | £0 | ||
| 5 Apr 2018 | £3,075 | £1,252 | £0 | ||
| 5 Apr 2017 | £812 | £1,546 | £1,379 |
Where Opdoc Limited is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 8NA on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
What happens if Opdoc 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 10493917
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2016 (9 years ago)
- Registered office
- 97 Elton Road, Darlington, DL3 8NA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 24 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Darlington
Other active installation companies (insulation, lifts, shutters and similar) registered in Darlington.
- Paul Townend Ltd2026
- Paul Wilson Construction Limited2023
- Perspective Blinds Limited2026
- Premier Solutions Interior Specialists Ltd2021
- Provault Construction Services Ltd2026
- Regal Structures Ltd2017
- Regent Maintenance Limited2000
- Rennyco Limited1986
All installation companies (insulation, lifts, shutters and similar) in Darlington · All trades in Darlington · Installers across the UK
Frequently asked questions
When are Opdoc Limited's accounts due?
Opdoc Limited's next accounts are due at Companies House by 5 January 2027 (in 85 days), covering the period to 5 April 2026.
When is Opdoc Limited's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is Opdoc Limited still trading?
Opdoc Limited is listed as active on the Companies House register (checked 12 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 Opdoc Limited do?
Opdoc Limited is registered under Other construction installation (SIC 43290).
How old is Opdoc Limited?
Opdoc Limited was incorporated on 23 November 2016, 9 years ago.
What is the penalty if Opdoc 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 Opdoc Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.