- Companies
- Specialist contractors
- Barnet
- Diorama Design Ltd
Diorama Design Ltd
- Company number
- 14627652
- Incorporated
- 31 Jan 20233 years trading
- Registered office
- Rosedean House, 4 Argyle Road, Barnet, Hertfordshire, EN5 4DX
- Nature of business
- Other specialised construction activities n.e.c.; Buying and selling of own real estate; Management of real estate on a fee or contract basis
Diorama Design Ltd is a 3-year-old private limited company registered in Barnet, company number 14627652, one of 83 specialist construction companies in Barnet. 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 down £6,576 (-603.3%) on the year before, to -£5,486.
- Current assets of £23K against £30K owed within a year: 0.8 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£5,486 | £23K | £30K | 2 | |
| 31 Mar 2024 | £1,090 | £25K | £25K | 2 |
Where Diorama Design Ltd is registered
The registered office is in Barnet (EN5), in the Barnet local authority area, London. Show EN5 4DX on a map.
Other trade companies in EN5
- Paysa Gas LtdPlumbers and heating engineers
- Greatway Business LtdInstallers
- Je Mobile Tyres LtdMechanics and garages
- Barnet Air LtdPlumbers and heating engineers
- Hutch Electrical LtdElectricians
- Nexflow Mechanical LtdSpecialist contractors
- A J Plant LtdMotor traders
- Plumbing365 LtdPlumbers and heating engineers
Also registered at this address
14 other companies use the same registered office as Diorama Design Ltd.
- Amafhhmas LimitedMachinery repair and installation
- Audi Volks LimitedMechanics and garages
- Cherfan Motors LimitedMechanics and garages
- CSD Construction LtdBuilders
- E.C.Edwards LimitedProperty developers
- Excellent Cleaning Solutions LtdCleaning companies
- Gas Plumbing LtdPlumbers and heating engineers
- GDH Designs LimitedFinishing trades
- Hart Tree Surgeons LimitedLandscapers and gardeners
- Kingsx Motors LimitedMechanics and garages
- Mint Structures LtdProperty developers
- Perfect Moves LimitedGroundworks and demolition
- Prism Decor & Design LtdSpecialist contractors
- SP Heating & Gas Services LtdRepair services
What happens if Diorama Design 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 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
- 14627652
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2023 (3 years ago)
- Registered office
- Rosedean House, 4 Argyle Road, Barnet, Hertfordshire, EN5 4DX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Buying and selling of own real estate (SIC 68100)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 30 January 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 Barnet
Other active specialist construction companies registered in Barnet.
- Eco Wall Limited2026
- Enade Limited2020
- Eu Cabling Limited2011
- Firesure Ltd2022
- G&G Productions Ltd2021
- Gridline Plant Hire Limited2010
- Hand Set Constructions Ltd2022
- Handy on the Hill Limited2017
All specialist construction companies in Barnet · All trades in Barnet · Specialist contractors across the UK
Frequently asked questions
When are Diorama Design Ltd's accounts due?
Diorama Design Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Diorama Design Ltd'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 Diorama Design Ltd still trading?
Diorama Design 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 Diorama Design Ltd do?
Diorama Design Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Buying and selling of own real estate (SIC 68100); Management of real estate on a fee or contract basis (SIC 68320).
How old is Diorama Design Ltd?
Diorama Design Ltd was incorporated on 31 January 2023, 3 years ago.
What is the penalty if Diorama Design 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 Diorama Design 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.