- Companies
- Plumbers and heating engineers
- Amersham
- Cecil Engineering Installations Limited
Cecil Engineering Installations Limited
- Company number
- 01682151
- Incorporated
- 29 Nov 198243 years trading
- Registered office
- C/O Bridger Smart & Co. Ltd, 43 Chequers Hill, Amersham, HP7 9DQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Cecil Engineering Installations Limited is a 43-year-old private limited company registered in Amersham, company number 01682151, one of 24 plumbing and heating companies in Amersham. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £24K (+15.4%) on the year before, to £182K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £270K against £91K owed within a year: 3.0 times cover.
- 4 employees 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £182K | £15K | £270K | £91K | 4 |
| 30 Apr 2024 | £158K | £17K | £258K | £104K | 4 |
| 30 Apr 2023 | £162K | £29K | £278K | £120K | 4 |
| 30 Apr 2022 | £147K | £32K | £290K | £148K | 4 |
| 30 Apr 2021 | £146K | £102K | £311K | £136K | 4 |
| 30 Apr 2020 | £27K | £33K | £134K | £115K | 4 |
| 30 Apr 2019 | £1,337 | £115K | £125K | ||
| 30 Apr 2018 | £7,618 | £89K | £110K | ||
| 30 Apr 2017 | £10K | £93K | £85K | ||
| 30 Apr 2016 | £23K | £52K | £83K | £64K |
Where Cecil Engineering Installations Limited is registered
The registered office is in Amersham (HP7), in the Buckinghamshire local authority area, South East. Show HP7 9DQ on a map.
Other trade companies in HP7
- Red Neck Ventures LtdInstallers
- Tef Electrical LtdElectricians
- Ealing Construction 1 LtdBuilders
- The Ev Centre LtdMechanics and garages
- The Brambles Development Group LtdProperty developers
- Amh Heating LtdPlumbers and heating engineers
- Mummery Roofing Co LtdRoofers
- Compact Spare Wheel LimitedMotor traders
Also registered at this address
9 other companies use the same registered office as Cecil Engineering Installations Limited.
- Bespoke Plumbing Services LimitedPlumbers and heating engineers
- Cecil Homes LimitedBuilders
- Designing With Plants LtdLandscapers and gardeners
- Floors at Fourteen LimitedFloor and wall tilers
- Harford 2020 LimitedBuilders
- Mulberry Landscaping LtdLandscapers and gardeners
- RCB Property Management LtdFacilities management
- Stage 2 Screen Construction LimitedSpecialist contractors
- TD Decorating Services LtdPainters and decorators
What happens if Cecil Engineering Installations 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 01682151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 November 1982 (43 years ago)
- Registered office
- C/O Bridger Smart & Co. Ltd, 43 Chequers Hill, Amersham, HP7 9DQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 9 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Amersham
Other active plumbing and heating companies registered in Amersham.
- CGS Plumbing & Heating Limited2011
- Coran Air Conditioning Solutions Ltd2026
- Coverplan Heating and Plumbing Services Ltd2026
- Djbgassafety.Co.UK Ltd2026
- Draintec UK Limited2014
- Gas Man Gill Ltd2024
- Gough Contractors Limited2002
- Heat Tech Services Limited2015
All plumbing and heating companies in Amersham · All trades in Amersham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cecil Engineering Installations Limited's accounts due?
Cecil Engineering Installations Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Cecil Engineering Installations Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Cecil Engineering Installations Limited still trading?
Cecil Engineering Installations 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 Cecil Engineering Installations Limited do?
Cecil Engineering Installations Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cecil Engineering Installations Limited?
Cecil Engineering Installations Limited was incorporated on 29 November 1982, 43 years ago.
What is the penalty if Cecil Engineering Installations 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 Cecil Engineering Installations 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.