- Companies
- Plumbers and heating engineers
- Aylesbury
- GSB Plumbing & Heating Limited
GSB Plumbing & Heating Limited
- Company number
- 07519230
- Incorporated
- 7 Feb 201115 years trading
- Registered office
- 1 Prince Rupert Drive, Aylesbury, Buckinghamshire, HP19 9RA
- Nature of business
- Plumbing, heat and air-conditioning installation
GSB Plumbing & Heating Limited is a 15-year-old private limited company registered in Aylesbury, company number 07519230, one of 119 plumbing and heating companies in Aylesbury. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £2,875 on the year before, to £3,015.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £46K against £17K owed within a year: 2.7 times cover.
- 3 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £3,015 | £6,903 | £46K | £17K | 3 |
| 31 Mar 2024 | £140 | £14K | £66K | £43K | 3 |
| 31 Mar 2023 | £612 | £73K | £48K | 3 | |
| 31 Mar 2022 | £100 | £61K | £41K | 2 | |
| 31 Mar 2021 | £93 | £84K | £43K | 2 | |
| 31 Mar 2020 | £122 | £30K | £29K | 2 | |
| 31 Mar 2019 | £1,000 | £44K | £43K | 2 | |
| 31 Mar 2018 | £966 | £17K | £25K | £26K | 2 |
| 31 Mar 2017 | £566 | £24K | £30K | £30K | 1 |
| 31 Mar 2016 | £6,757 | £14K | £22K | £17K |
Who runs and owns GSB Plumbing & Heating Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| G*** B*** | Director | Feb 2011 |
| S*** B*** | Director | Feb 2011 |
People with significant control (2)
Where GSB Plumbing & Heating Limited is registered
The registered office is in Aylesbury (HP19), in the Buckinghamshire local authority area, South East. Show HP19 9RA on a map.
Other trade companies in HP19
- TPV Group LtdProperty developers
- Aylesbury Claims Management LtdMechanics and garages
- Abi Handyman LimitedFinishing trades
- KWK Properties LimitedProperty developers
- Redline Group Properties LimitedProperty developers
- Ridge and Crown Roofing LtdRoofers
- Lightning Performance Auto Services LimitedMechanics and garages
- Spartan Facades LtdSpecialist contractors
What happens if GSB Plumbing & 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07519230
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2011 (15 years ago)
- Registered office
- 1 Prince Rupert Drive, Aylesbury, Buckinghamshire, HP19 9RA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 February 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 Aylesbury
Other active plumbing and heating companies registered in Aylesbury.
- Handy Haynes 5 Limited2018
- Heat Expert Ltd2019
- Heatify Ltd2020
- Heatwave Plumbing & Heating Services Ltd2019
- Herts Build & Maintenance Ltd2017
- Highflow Heating Limited2016
- Hirst Heating Services Ltd2018
- I.M Plumbing Heating and Gas Ltd2026
All plumbing and heating companies in Aylesbury · All trades in Aylesbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are GSB Plumbing & Heating Limited's accounts due?
GSB Plumbing & Heating Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is GSB Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is GSB Plumbing & Heating Limited still trading?
GSB Plumbing & 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 GSB Plumbing & Heating Limited do?
GSB Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GSB Plumbing & Heating Limited?
GSB Plumbing & Heating Limited was incorporated on 7 February 2011, 15 years ago.
Who runs GSB Plumbing & Heating Limited?
GSB Plumbing & Heating Limited has 2 active directors, the longest-serving appointed in Feb 2011. Their names and service addresses are on the Companies House register.
Who owns GSB Plumbing & Heating Limited?
2 people or companies have significant control of GSB Plumbing & Heating Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if GSB Plumbing & 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 GSB Plumbing & 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.