- Companies
- Specialist contractors
- Leeds
- Mod-Con Designs Limited
Mod-Con Designs Limited
- Company number
- 15294251
- Incorporated
- 20 Nov 20232 years trading
- Registered office
- The Courtyard 42C Low Street, Sherburn in Elmet, Leeds, LS25 6BA
- Nature of business
- Other specialised construction activities n.e.c.
Mod-Con Designs Limited is a 2-year-old private limited company registered in Leeds, company number 15294251, one of 356 specialist construction companies in Leeds. 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.
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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 £30K (+85.7%) on the year before, to £65K.
- Current assets of £490K against £392K owed within a year: 1.2 times cover.
- 10 employees on average, up from 8 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £65K | £44K | £490K | £392K | 10 |
| 30 Nov 2024 | £35K | £1,571 | £305K | £286K | 8 |
Where Mod-Con Designs Limited is registered
The registered office is in Leeds (LS25), in the North Yorkshire local authority area, Yorkshire and The Humber. Show LS25 6BA on a map.
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What happens if Mod-Con Designs 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15294251
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2023 (2 years ago)
- Registered office
- The Courtyard 42C Low Street, Sherburn in Elmet, Leeds, LS25 6BA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 11 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Leeds
Other active specialist construction companies registered in Leeds.
- Momo Contrator Ltd2022
- Mota Telecoms Ltd2023
- MQ MDJ Ltd2024
- MSCC Trading Ltd2025
- Nao Services Ltd2020
- New Homes Quality Inspections Ltd2026
- Newells Aerials Limited2013
- Next Phase Build Limited2026
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Frequently asked questions
When are Mod-Con Designs Limited's accounts due?
Mod-Con Designs Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Mod-Con Designs Limited'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 Mod-Con Designs Limited still trading?
Mod-Con Designs 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 Mod-Con Designs Limited do?
Mod-Con Designs Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mod-Con Designs Limited?
Mod-Con Designs Limited was incorporated on 20 November 2023, 2 years ago.
What is the penalty if Mod-Con Designs 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 Mod-Con Designs 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.