- Companies
- Plumbers and heating engineers
- Edinburgh
- Culbertson Developments Ltd
Culbertson Developments Ltd
- Company number
- SC720523
- Incorporated
- 20 Jan 20224 years trading
- Registered office
- 13A Bridge Street, Edinburgh, EH15 1DB
- Nature of business
- Plumbing, heat and air-conditioning installation; Joinery installation
Culbertson Developments Ltd is a 4-year-old private limited company registered in Edinburgh, company number SC720523, one of 176 plumbing and heating companies in Edinburgh. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £134 (-6.3%) on the year before, to £1,998.
- Current assets of £45K against £72K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1,998 | £45K | £72K | 1 | |
| 31 Jan 2024 | £2,132 | £13K | £26K | 1 | |
| 31 Jan 2023 | £5,764 | £14K | £27K | 1 |
Where Culbertson Developments Ltd is registered
The registered office is in Edinburgh (EH15), in the City of Edinburgh local authority area, Scotland. Show EH15 1DB on a map.
Other trade companies in EH15
- DRZ Systems LtdElectricians
- Olivan LimitedProperty developers
- Leo Hector LtdMotor traders
- Car Wash Valet LtdMechanics and garages
- Milton Developers LtdProperty developers
- Garage Roof Scotland LtdRoofers
- MSK World LtdMotor traders
- Modou and Musa LtdCleaning companies
Also registered at this address
2 other companies use the same registered office as Culbertson Developments Ltd.
- CGC Ventures LtdPlumbers and heating engineers
- Culbertson Renewables LtdPlumbers and heating engineers
What happens if Culbertson Developments 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC720523
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 January 2022 (4 years ago)
- Registered office
- 13A Bridge Street, Edinburgh, EH15 1DB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Joinery installation (SIC 43320) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 11 March 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.
- Culbertson Renewables Ltd2023
- Cullen Plumbing & Heating Limited2011
- Cummings Plumbing Limited2013
- D. & P. Plumbing & Heating Limited1997
- D. Armour Plumbing & Heating Ltd2025
- Delux Worx Ltd2025
- Derek Christie Plumbing and Heating Ltd2022
- DH Plumbing and Heating Group Ltd2025
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Culbertson Developments Ltd's accounts due?
Culbertson Developments Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Culbertson Developments Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Culbertson Developments Ltd still trading?
Culbertson Developments 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 Culbertson Developments Ltd do?
Culbertson Developments Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Joinery installation (SIC 43320).
How old is Culbertson Developments Ltd?
Culbertson Developments Ltd was incorporated on 20 January 2022, 4 years ago.
What is the penalty if Culbertson Developments 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 Culbertson Developments 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.