- Companies
- Repair services
- Saffron Walden
- Diagtronics Ltd
Diagtronics Ltd
- Company number
- 15698167
- Incorporated
- 1 May 20242 years trading
- Registered office
- Unit 4 6B Walden Road, Sewards End, Saffron Walden, CB10 2LF
- Nature of business
- Repair of consumer electronics
Diagtronics Ltd is a 2-year-old private limited company registered in Saffron Walden, company number 15698167, one of the UK's repair companies (computers, appliances, furniture and similar). Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 Diagtronics LtdOr 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.
Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Diagtronics Ltd is registered
The registered office is in Saffron Walden (CB10), in the Uttlesford local authority area, East of England. Show CB10 2LF on a map.
Other trade companies in CB10
- 1841 Properties LimitedProperty developers
- Bovingdons Developments LtdProperty developers
- JDSW Construction Services LtdBuilders
- Foresite Fencing LtdInstallers
- Greenfield 1 LimitedProperty developers
- Greenfield 2 LimitedProperty developers
- Jet Developments Essex LimitedProperty developers
- CC Arch Scaffolding LtdScaffolders
What happens if Diagtronics 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15698167
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 May 2024 (2 years ago)
- Registered office
- Unit 4 6B Walden Road, Sewards End, Saffron Walden, CB10 2LF
- Nature of business
- Repair of consumer electronics (SIC 95210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 30 April 2026
Filing notes for repair companies (computers, appliances, furniture and similar)
Repair companies are mostly small micro-entities with simple accounts: parts, tools and a workshop or van.
Similar companies in Saffron Walden
Other active repair companies (computers, appliances, furniture and similar) registered in Saffron Walden.
All repair companies (computers, appliances, furniture and similar) in Saffron Walden · All trades in Saffron Walden · Repair services across the UK
Frequently asked questions
When are Diagtronics Ltd's accounts due?
Diagtronics Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Diagtronics Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Diagtronics Ltd still trading?
Diagtronics 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 Diagtronics Ltd do?
Diagtronics Ltd is registered under Repair of consumer electronics (SIC 95210).
How old is Diagtronics Ltd?
Diagtronics Ltd was incorporated on 1 May 2024, 2 years ago.
What is the penalty if Diagtronics 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 Diagtronics 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.