- Companies
- Plumbers and heating engineers
- Sidcup
- 1ST Connect Plumbing & Heating Ltd
1ST Connect Plumbing & Heating Ltd
- Company number
- 07365469
- Incorporated
- 3 Sep 201016 years trading
- Registered office
- Onega House, 112, Main Road, Sidcup, DA14 6NE
- Nature of business
- Plumbing, heat and air-conditioning installation
1ST Connect Plumbing & Heating Ltd is a 16-year-old private limited company registered in Sidcup, company number 07365469, one of 101 plumbing and heating companies in Sidcup. Companies House shows its accounts as overdue: they were due on 30 September 2025.
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 (+1.9%) on the year before, to £108.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £50K against £46K owed within a year: 1.1 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 10 years, 2014 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2023 | £108 | £12K | £50K | £46K | 1 |
| 30 Sep 2022 | £106 | £14K | £32K | £30K | 2 |
| 30 Sep 2021 | £25K | £3,487 | £80K | £31K | 3 |
| 30 Sep 2020 | £33K | £40K | £85K | £54K | 3 |
| 30 Sep 2019 | £1,445 | £2,511 | £11K | £14K | 2 |
| 30 Sep 2018 | £142 | £1,466 | £18K | £24K | 2 |
| 30 Sep 2017 | £2,254 | £6,662 | £25K | £22K | 1 |
| 30 Sep 2016 | £700 | £3,945 | £23K | £22K | |
| 30 Sep 2015 | £1,051 | £10K | £29K | £28K | |
| 30 Sep 2014 | £632 | £8,720 | £26K | £25K |
Who runs and owns 1ST Connect Plumbing & Heating Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| T*** K*** | Director | Sep 2010 |
| S*** K*** | Secretary | Aug 2018 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Pomfrey Accountants Ltd | Secretary (company) | Sep 2010 | Aug 2018 |
| S*** K*** | Director | Sep 2010 | Apr 2014 |
People with significant control (2)
Where 1ST Connect Plumbing & Heating Ltd is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6NE on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Also registered at this address
18 other companies use the same registered office as 1ST Connect Plumbing & Heating Ltd.
- C Markham Electrical LimitedElectricians
- Chartes Surveyors LimitedProperty developers
- CRW Electrical LimitedElectricians
- Damage Genie LtdSpecialist contractors
- E&H Group LtdFacilities management
- Frace LtdBuilders
- Go Direct Group LimitedSpecialist contractors
- Ideal Lights FM LimitedElectricians
- James Lee Flooring LtdFloor and wall tilers
- KBSL Maintenance LtdFacilities management
- Onelift LimitedMachinery repair and installation
- P & A Carpentry and Joinery LtdBuilders
- Pagoda Building & Maintenance LimitedSpecialist contractors
- Palace Lifts LtdMachinery repair and installation
- Poymill LimitedProperty developers
- Shuttersup LtdFloor and wall tilers
- Tagg Installations LtdElectricians
- Zinc Roofing Company LimitedRoofers
What happens if 1ST Connect Plumbing & Heating Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2025 to 31 Oct 2025 | £150 |
| 1 to 3 months late | 1 Nov 2025 to 31 Dec 2025 | £375 |
| 3 to 6 months late | 1 Jan 2026 to 31 Mar 2026 | £750 |
| More than 6 months late | From 1 Apr 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2026 | £200 |
| 3 months late | 31 Mar 2026 | another £200 |
| 6 months late | 30 Jun 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2026 | 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
- 07365469
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 September 2010 (16 years ago)
- Registered office
- Onega House, 112, Main Road, Sidcup, DA14 6NE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2023
- Last confirmation statement
- 3 September 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 Sidcup
Other active plumbing and heating companies registered in Sidcup.
- A Tindell Heating Limited2022
- Accurate Heating Limited2015
- Active Cooling UK Ltd2025
- Acute Plumbing and Heating Limited2016
- Adams Electrical& Air Conditioning Ltd2026
- Aim Mechanical Services Limited1992
- Airhaus Ltd2026
- Ajm, Heating, Ventilation & Air Conditioning Limited2021
All plumbing and heating companies in Sidcup · All trades in Sidcup · Plumbers and heating engineers across the UK
Frequently asked questions
When are 1ST Connect Plumbing & Heating Ltd's accounts due?
1ST Connect Plumbing & Heating Ltd's accounts were due at Companies House on 30 September 2025 and the register shows them as overdue.
When is 1ST Connect Plumbing & Heating Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 September 2024, due by 30 September 2025, and one for the period to 31 December 2024, due by 31 December 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is 1ST Connect Plumbing & Heating Ltd still trading?
1ST Connect Plumbing & Heating Ltd is listed as active on the Companies House register (checked 13 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 1ST Connect Plumbing & Heating Ltd do?
1ST Connect Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 1ST Connect Plumbing & Heating Ltd?
1ST Connect Plumbing & Heating Ltd was incorporated on 3 September 2010, 16 years ago.
Who runs 1ST Connect Plumbing & Heating Ltd?
1ST Connect Plumbing & Heating Ltd has 1 active director, the longest-serving appointed in Sep 2010. Their names and service addresses are on the Companies House register.
Who owns 1ST Connect Plumbing & Heating Ltd?
2 people or companies have significant control of 1ST Connect Plumbing & Heating Ltd: an individual (owns 50% to 75% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if 1ST Connect Plumbing & Heating 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 1ST Connect Plumbing & Heating Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.