- Companies
- Property developers
- Exmouth
- Diadin Limited
Diadin Limited
- Company number
- 01339884
- Incorporated
- 22 Nov 197748 years trading
- Registered office
- 6 the Parade, Exmouth, Devon, EX8 1RL
- Nature of business
- Development of building projects; Construction of other civil engineering projects n.e.c.
Diadin Limited is a 48-year-old private limited company registered in Exmouth, company number 01339884, one of 44 property development companies in Exmouth. 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 up £21K (+4.6%) on the year before, to £483K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £55K against £432K owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £483K | £55K | £432K | 1 | |
| 31 Dec 2024 | £461K | £47K | £445K | 1 | |
| 31 Dec 2023 | £524K | £41K | £377K | 0 | |
| 31 Dec 2022 | £579K | £61K | £341K | 0 | |
| 31 Dec 2021 | £579K | £61K | £341K | 0 | |
| 31 Dec 2020 | £627K | £217K | £125K | 0 | |
| 31 Dec 2019 | £653K | £402K | £284K | 0 | |
| 31 Dec 2018 | £794K | £284K | £25K | ||
| 31 Dec 2017 | £760K | £4,218 | £245K | £21K | |
| 31 Dec 2016 | £728K | £16K | £242K | £46K |
Where Diadin Limited is registered
The registered office is in Exmouth (EX8), in the East Devon local authority area, South West. Show EX8 1RL on a map.
Other trade companies in EX8
- Get Works Group LtdCleaning companies
- MS Marine Services LtdMachinery repair and installation
- Elite Markings (SW) LtdCivil engineering
- Kendray LtdSpecialist contractors
- Squeak & Span Cleaning Company LtdCleaning companies
- NRS Facilities Maintenance LimitedMachinery repair and installation
- Loop Drive Motor LtdMotor traders
- Wheeldon Farm (SW) LtdBuilders
Also registered at this address
6 other companies use the same registered office as Diadin Limited.
- Busy Bees Commercial Cleaning LimitedCleaning companies
- Busy Bees Window Cleaning LimitedCleaning companies
- Green Acres Homes Exmouth LimitedBuilders
- J.Y.Coles & Sons LimitedCivil engineering
- P J Pearman & Sons LimitedPlumbers and heating engineers
- South Coast Services Exmouth LimitedMechanics and garages
What happens if Diadin 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
- 01339884
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 1977 (48 years ago)
- Registered office
- 6 the Parade, Exmouth, Devon, EX8 1RL
- Nature of business
- Development of building projects (SIC 41100)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 January 2026
- Charges (mortgages)
- 11 outstanding of 14 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 Exmouth
Other active property development companies registered in Exmouth.
- East of Exe Construction Ltd2018
- Eos PM Limited2018
- Exmouth Trade Frames Ltd2016
- Eyres Development Limited2006
- Gunnerslake Developments Limited2026
- Highland Property Development (Exmouth) Ltd2011
- Hill Lane Properties Ltd2010
- Investment Land Causeway Ltd2025
All property development companies in Exmouth · All trades in Exmouth · Property developers across the UK
Frequently asked questions
When are Diadin Limited's accounts due?
Diadin Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Diadin 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 Diadin Limited still trading?
Diadin 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 Diadin Limited do?
Diadin Limited is registered under Development of building projects (SIC 41100); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Diadin Limited?
Diadin Limited was incorporated on 22 November 1977, 48 years ago.
What is the penalty if Diadin 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 Diadin 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.