- Companies
- Machinery repair and installation
- Buntingford
- Autoclave Engineering & Maintenance Ltd
Autoclave Engineering & Maintenance Ltd
- Company number
- 08663362
- Incorporated
- 27 Aug 201313 years trading
- Registered office
- Colins Throcking Road, Cottered, Buntingford, Hertfordshire, SG9 9RA
- Nature of business
- Repair of electrical equipment; Repair of other equipment; Installation of industrial machinery and equipment
Autoclave Engineering & Maintenance Ltd is a 13-year-old private limited company registered in Buntingford, company number 08663362, one of 10 machinery repair and installation companies in Buntingford. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £8,484 (-66.2%) on the year before, to £4,326.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £28K against £31K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2015 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £4,326 | £28K | £31K | 2 | |
| 31 Mar 2025 | £13K | £65K | £64K | 2 | |
| 31 Mar 2024 | £43K | £83K | £47K | 2 | |
| 31 Mar 2017 | £52K | £64K | £137K | £97K | 1 |
| 31 Mar 2016 | £3,543 | £30K | £69K | £78K | |
| 31 Mar 2015 | £2 | £0 | £0 | £0 |
Where Autoclave Engineering & Maintenance Ltd is registered
The registered office is in Buntingford (SG9), in the East Hertfordshire local authority area, East of England. Show SG9 9RA on a map.
Other trade companies in SG9
- WMM Engineering LimitedMachinery repair and installation
- Bigger Builds LtdBuilders
- Carr Trade LtdMotor traders
- Hare Construction LimitedBuilders
- Apex Shading Solutions LtdInstallers
- Meister Vehicle Sales LimitedMotor traders
- Dzus LtdMotor traders
- Crowngate Construction LtdBuilders
What happens if Autoclave Engineering & Maintenance 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 08663362
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 August 2013 (13 years ago)
- Registered office
- Colins Throcking Road, Cottered, Buntingford, Hertfordshire, SG9 9RA
- Nature of business
- Repair of electrical equipment (SIC 33140)
Repair of other equipment (SIC 33190)
Installation of industrial machinery and equipment (SIC 33200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 27 August 2026
- Previous names
- Specialist Autoclave Engineering Ltd (until 10 Mar 2014)
Autoclave Repairs Ltd (until 30 Aug 2013)
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 Buntingford
Other active machinery repair and installation companies registered in Buntingford.
- Bennison Electrical Limited2018
- Delta Refrigeration Limited2025
- Paul F Ingram Limited2011
- Pelhampumps Ltd.2016
- Power Security Generators Limited2012
- RS Plantworx Ltd2022
- Unify VSN Limited2021
- WMM Engineering Limited2026
All machinery repair and installation companies in Buntingford · All trades in Buntingford · Machinery repair and installation across the UK
Frequently asked questions
When are Autoclave Engineering & Maintenance Ltd's accounts due?
Autoclave Engineering & Maintenance Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Autoclave Engineering & Maintenance Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Autoclave Engineering & Maintenance Ltd still trading?
Autoclave Engineering & Maintenance 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 Autoclave Engineering & Maintenance Ltd do?
Autoclave Engineering & Maintenance Ltd is registered under Repair of electrical equipment (SIC 33140); Repair of other equipment (SIC 33190); Installation of industrial machinery and equipment (SIC 33200).
How old is Autoclave Engineering & Maintenance Ltd?
Autoclave Engineering & Maintenance Ltd was incorporated on 27 August 2013, 13 years ago.
What is the penalty if Autoclave Engineering & Maintenance 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 Autoclave Engineering & Maintenance 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.