- Companies
- Machinery repair and installation
- Chesham
- Chesham Diagnostics Limited
Chesham Diagnostics Limited
- Company number
- 11185089
- Incorporated
- 2 Feb 20188 years trading
- Registered office
- 45 Chessmount Rise, Chesham, HP5 1RB
- Nature of business
- Repair of electronic and optical equipment; Repair of electrical equipment; Repair of other equipment; Maintenance and repair of motor vehicles
Chesham Diagnostics Limited is a 8-year-old private limited company registered in Chesham, company number 11185089, one of 6 machinery repair and installation companies in Chesham. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 Chesham Diagnostics LimitedOr 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.
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 £1,800 (-27.8%) on the year before, to £4,686.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £4,686 | £4,448 | £0 | 2 | |
| 28 Feb 2025 | £6,486 | £6,769 | £283 | 2 | |
| 29 Feb 2024 | £11K | £10K | £39 | 2 | |
| 28 Feb 2023 | £51K | £59K | £9,160 | 2 | |
| 28 Feb 2022 | £47K | £55K | £13K | 2 | |
| 28 Feb 2021 | £28K | £35K | £9,278 | 2 | |
| 29 Feb 2020 | £12K | £21K | £12K | 2 | |
| 28 Feb 2019 | £7,731 | £11K | £5,139 |
Who runs and owns Chesham Diagnostics Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** W*** | Director | Feb 2018 |
| S*** W*** | Director | Feb 2018 |
People with significant control (2)
Where Chesham Diagnostics Limited is registered
The registered office is in Chesham (HP5), in the Buckinghamshire local authority area, South East. Show HP5 1RB on a map.
Other trade companies in HP5
- Whitley Electrical LtdElectricians
- Zpgarvies LtdInstallers
- T D Autos LtdMechanics and garages
- Hemel A1 Tyres LtdMotor traders
- Berkhamsted Motor Group LtdMotor traders
- Pleasure Hills LtdProperty developers
- Keo Driveways & Patios LtdLandscapers and gardeners
- R&D Property Partners LtdProperty developers
What happens if Chesham Diagnostics 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 11185089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2018 (8 years ago)
- Registered office
- 45 Chessmount Rise, Chesham, HP5 1RB
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Repair of electrical equipment (SIC 33140)
Repair of other equipment (SIC 33190)
Maintenance and repair of motor vehicles (SIC 45200) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 1 February 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Chesham
Other active machinery repair and installation companies registered in Chesham.
- Cole Mechanical Services Limited1977
- Loading Bay Equipment and Spares Ltd2018
- O.S Renewable Services Ltd2022
- Precision International Limited1982
- Rodi Services Limited2005
All machinery repair and installation companies in Chesham · All trades in Chesham · Machinery repair and installation across the UK
Frequently asked questions
When are Chesham Diagnostics Limited's accounts due?
Chesham Diagnostics Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Chesham Diagnostics Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Chesham Diagnostics Limited still trading?
Chesham Diagnostics 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 Chesham Diagnostics Limited do?
Chesham Diagnostics Limited is registered under Repair of electronic and optical equipment (SIC 33130); Repair of electrical equipment (SIC 33140); Repair of other equipment (SIC 33190); Maintenance and repair of motor vehicles (SIC 45200).
How old is Chesham Diagnostics Limited?
Chesham Diagnostics Limited was incorporated on 2 February 2018, 8 years ago.
Who runs Chesham Diagnostics Limited?
Chesham Diagnostics Limited has 2 active directors, the longest-serving appointed in Feb 2018. Their names and service addresses are on the Companies House register.
Who owns Chesham Diagnostics Limited?
2 people or companies have significant control of Chesham Diagnostics Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Chesham Diagnostics 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 Chesham Diagnostics 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.