- Companies
- Plumbers and heating engineers
- Edinburgh
- Calderwood Plumbing and Heating Limited
Calderwood Plumbing and Heating Limited
- Company number
- SC639265
- Incorporated
- 20 Aug 20197 years trading
- Registered office
- 9A Bankhead Medway, Edinburgh, EH11 4BY
- Nature of business
- Plumbing, heat and air-conditioning installation
Calderwood Plumbing and Heating Limited is a 7-year-old private limited company registered in Edinburgh, company number SC639265, one of 176 plumbing and heating companies in Edinburgh. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 down £45K (-74.6%) on the year before, to £15K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £75K against £132K owed within a year: 0.6 times cover.
- 4 employees on average, up from 2 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £15K | £75K | £132K | 4 | |
| 31 Aug 2024 | £60K | £131K | £71K | 2 | |
| 31 Aug 2023 | £63K | £84K | 2 | ||
| 31 Aug 2022 | £71K | £21K | £92K | 3 | |
| 31 Aug 2021 | £22K | £99K | £76K | 3 | |
| 31 Aug 2020 | £1 |
Where Calderwood Plumbing and Heating Limited is registered
The registered office is in Edinburgh (EH11), in the City of Edinburgh local authority area, Scotland. Show EH11 4BY on a map.
Other trade companies in EH11
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- Maptech Automotive LimitedMotor traders
- Apex Auto Motive & Body Repairs LtdMechanics and garages
- Emas Services LtdCleaning companies
- Stephen Electrical LtdElectricians
- Fde Construction LtdBuilders
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Also registered at this address
24 other companies use the same registered office as Calderwood Plumbing and Heating Limited.
- 0150 Joinery LimitedJoiners and carpenters
- Belmont Road Garage LimitedMechanics and garages
- BG Masonry LimitedFinishing trades
- Camps Enterprises LimitedMotor traders
- Capital Glazing and Windows LtdGlaziers
- CF Roofing Services LimitedRoofers
- Craig Moncrieff (Cars) LimitedMechanics and garages
- DT Tree Surgeons LtdLandscapers and gardeners
- Ecr Line Marking LimitedCivil engineering
- Ecr Surfacing LtdCivil engineering
- Edinburgh Scaffolding LimitedScaffolders
- Globe Electrical & Joinery (Edinburgh) Ltd.Electricians
- Haddington Roofing & Painting LtdPainters and decorators
- Jewel Contracts LimitedInstallers
- Polished Properties LtdCleaning companies
- Ronald G Graham Roofing & Building Contracts LimitedRoofers
- SJ (Scotland) LimitedProperty developers
- Southside Student Build LtdBuilders
- ST Andrews Scaffolding LtdScaffolders
- Stellar Cleaning Services (Edinburgh) LimitedCleaning companies
- Synergy Plumbing and Heating (Scotland) LimitedPlumbers and heating engineers
- Vermilion Building Contracts LimitedBuilders
- W. Garriock Scaffolding Contracts LimitedScaffolders
- Willowbrae Coachworks LimitedMechanics and garages
What happens if Calderwood Plumbing and Heating 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC639265
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2019 (7 years ago)
- Registered office
- 9A Bankhead Medway, Edinburgh, EH11 4BY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 19 August 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 Edinburgh
Other active plumbing and heating companies registered in Edinburgh.
- Caledonian Heating and Plumbing Limited2003
- Calescent Gas & Heating Services Ltd2019
- Capital Clyde Compliance Ltd2026
- Castle Rock Plumbing, Heating and Renewables Ltd2026
- Celsius Plumbing & Heating (Edinburgh) Ltd2011
- Central Energy Services (Edinburgh) Limited2019
- Central Refrigeration Finance Limited1968
- CGC Ventures Ltd2025
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Calderwood Plumbing and Heating Limited's accounts due?
Calderwood Plumbing and Heating Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Calderwood Plumbing and Heating Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Calderwood Plumbing and Heating Limited still trading?
Calderwood Plumbing and Heating 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 Calderwood Plumbing and Heating Limited do?
Calderwood Plumbing and Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Calderwood Plumbing and Heating Limited?
Calderwood Plumbing and Heating Limited was incorporated on 20 August 2019, 7 years ago.
What is the penalty if Calderwood Plumbing and Heating 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 Calderwood Plumbing and Heating 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.