- Companies
- Plumbers and heating engineers
- Eastleigh
- Cornerstone Heating & Plumbing Ltd
Cornerstone Heating & Plumbing Ltd
- Company number
- 11267296
- Incorporated
- 21 Mar 20188 years trading
- Registered office
- 4 Chepstow Close, Chandler's Ford, Eastleigh, SO53 4SA
- Nature of business
- Plumbing, heat and air-conditioning installation
Cornerstone Heating & Plumbing Ltd is a 8-year-old private limited company registered in Eastleigh, company number 11267296, one of 77 plumbing and heating companies in Eastleigh. 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 £5,417 (-36.1%) on the year before, to £9,594.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- 1 employee on average, down from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2026 | £9,594 | £12K | 1 | ||
| 31 Mar 2025 | £15K | £24K | 2 | ||
| 31 Mar 2024 | £26K | £22K | 2 | ||
| 31 Mar 2023 | £27K | £12K | 2 | ||
| 31 Mar 2022 | £18K | £29K | £31K | £13K | 2 |
| 31 Mar 2021 | £7,565 | £35K | £40K | £13K | 3 |
| 31 Mar 2020 | £246 | £5,696 | £7,197 | £7,552 | 3 |
| 31 Mar 2019 | £5,072 | £10K | £11K | £6,592 | 1 |
Where Cornerstone Heating & Plumbing Ltd is registered
The registered office is in Eastleigh (SO53), in the Eastleigh local authority area, South East. Show SO53 4SA on a map.
Other trade companies in SO53
- Surface Dressing UK LtdCivil engineering
- Audin Construction LtdSpecialist contractors
- Jelly West Developments LtdProperty developers
- Climate and Renewables Service LtdPlumbers and heating engineers
- McCarthy Construct LimitedProperty developers
- Cura Projects LimitedFinishing trades
- Tubmate LtdMachinery repair and installation
- Brook Hill Developments LimitedProperty developers
Also registered at this address
8 other companies use the same registered office as Cornerstone Heating & Plumbing Ltd.
- CDM (Southern) Electrical LtdMachinery repair and installation
- Hearn Holdings LimitedFinishing trades
- Noble Renovations & Property Maintenance LtdFinishing trades
- O Edwards LtdMechanics and garages
- R H Flooring Solutions LimitedFloor and wall tilers
- Redefined Electrical & Renewables LtdElectricians
- Samuel James Services LtdPainters and decorators
- Weaponised Design LtdElectricians
What happens if Cornerstone Heating & Plumbing 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
- 11267296
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2018 (8 years ago)
- Registered office
- 4 Chepstow Close, Chandler's Ford, Eastleigh, SO53 4SA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 24 July 2026
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 Eastleigh
Other active plumbing and heating companies registered in Eastleigh.
- Crest Comfort Cooling & Ventilation Ltd2020
- Cummins Plumbing & Heating Ltd2012
- D S Chase Plumbing & Heating Ltd2023
- D.J.Harris(Plumbing and Heating)Limited1967
- D.Wolski Limited2019
- Daintree Plumbing & Heating Ltd2024
- Dan Ireson Plumbing & Heating Ltd2019
- Done Right Plumbing and Property Maintenance Ltd2023
All plumbing and heating companies in Eastleigh · All trades in Eastleigh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cornerstone Heating & Plumbing Ltd's accounts due?
Cornerstone Heating & Plumbing 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 Cornerstone Heating & Plumbing 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 Cornerstone Heating & Plumbing Ltd still trading?
Cornerstone Heating & Plumbing 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 Cornerstone Heating & Plumbing Ltd do?
Cornerstone Heating & Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cornerstone Heating & Plumbing Ltd?
Cornerstone Heating & Plumbing Ltd was incorporated on 21 March 2018, 8 years ago.
What is the penalty if Cornerstone Heating & Plumbing 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 Cornerstone Heating & Plumbing 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.