- Companies
- Property developers
- Doncaster
- Duplo Developments Limited
Duplo Developments Limited
- Company number
- 11123361
- Incorporated
- 22 Dec 20178 years trading
- Registered office
- 65 Balby Road, Doncaster, DN4 0RE
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Duplo Developments Limited is a 8-year-old private limited company registered in Doncaster, company number 11123361, one of 323 property development companies in Doncaster. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £46K (-20.6%) on the year before, to £177K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £359K against £719K owed within a year: 0.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £177K | £359K | £719K | 0 | |
| 31 Dec 2024 | £223K | £337K | £111K | 0 | |
| 31 Dec 2023 | £259K | £390K | £131K | 2 | |
| 31 Dec 2022 | £592K | £359K | £138K | 2 | |
| 31 Dec 2021 | £688K | £23K | £23K | £785K | 1 |
| 31 Dec 2020 | -£71K | £58K | £59K | £650K | 1 |
| 31 Dec 2019 | £49K | £72K | £74K | £1.3M | 2 |
| 31 Dec 2018 | -£103K | £38K | £71K | £795K | 2 |
Where Duplo Developments Limited is registered
The registered office is in Doncaster (DN4), in the Doncaster local authority area, Yorkshire and The Humber. Show DN4 0RE on a map.
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- Brookes Home and Heating LtdBuilders
- 1ST Ground Construction Management Services LtdProperty developers
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What happens if Duplo Developments 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 11123361
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2017 (8 years ago)
- Registered office
- 65 Balby Road, Doncaster, DN4 0RE
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 December 2025
- Charges (mortgages)
- 5 outstanding of 12 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Doncaster
Other active property development companies registered in Doncaster.
- E Grant Developments Limited2006
- Eco-Power Infinity Limited2025
- Ecobuild Renovations Ltd2024
- Element Group Holdings Limited2025
- Elemental Project Services Ltd2015
- Elite Properties Doncaster Ltd2024
- Enfuse Plumbing and Building Services Ltd2020
- Enhance Property Experts Limited2013
All property development companies in Doncaster · All trades in Doncaster · Property developers across the UK
Frequently asked questions
When are Duplo Developments Limited's accounts due?
Duplo Developments Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Duplo Developments Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Duplo Developments Limited still trading?
Duplo Developments 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 Duplo Developments Limited do?
Duplo Developments Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Duplo Developments Limited?
Duplo Developments Limited was incorporated on 22 December 2017, 8 years ago.
What is the penalty if Duplo Developments 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 Duplo Developments 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.