- Companies
- Plumbers and heating engineers
- Westerham
- Sidcup Plumbing and Heating Ltd
Sidcup Plumbing and Heating Ltd
- Company number
- 12641890
- Incorporated
- 3 Jun 20206 years trading
- Registered office
- Winterton House, High Street, Westerham, TN16 1AQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Sidcup Plumbing and Heating Ltd is a 6-year-old private limited company registered in Westerham, company number 12641890, one of 41 plumbing and heating companies in Westerham. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £1,403 (+13%) on the year before, to £12K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £17K against £5,122 owed within a year: 3.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £12K | £17K | £5,122 | 1 | |
| 30 Jun 2024 | £11K | £24K | £14K | 1 | |
| 30 Jun 2023 | -£587 | £5,628 | £6,583 | 1 | |
| 30 Jun 2022 | £1 | £3,914 | £4,346 | 1 | |
| 30 Jun 2021 | -£5,365 | £5,411 | £11K | 1 |
Where Sidcup Plumbing and Heating Ltd is registered
The registered office is in Westerham (TN16), in the Sevenoaks local authority area, South East. Show TN16 1AQ on a map.
Other trade companies in TN16
- Fuller & Sons Carpentry LtdProperty developers
- Protech Air Solutions LtdPlumbers and heating engineers
- DW Construction (South) LimitedCivil engineering
- Danvic Facilities & Refurbishment LimitedSpecialist contractors
- The Plumbing Brothers LtdFinishing trades
- Beckenham Driveways and Patios LtdInstallers
- Christmas Tree Farm Outdoors Services LtdLandscapers and gardeners
- Jak Rolling LimitedPainters and decorators
Also registered at this address
8 other companies use the same registered office as Sidcup Plumbing and Heating Ltd.
- Ability Roofing LimitedRoofers
- Centroplumb LtdPlumbers and heating engineers
- LCW Scaffolding LtdScaffolders
- M.P Window & Gutter Cleaning Services Ltd.Cleaning companies
- Nirvana Products LimitedMotor traders
- Pa Premier Build LimitedBuilders
- S W Tiling LimitedFloor and wall tilers
- W.Rowlands and Co LtdLandscapers and gardeners
What happens if Sidcup Plumbing and Heating 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12641890
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 June 2020 (6 years ago)
- Registered office
- Winterton House, High Street, Westerham, TN16 1AQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 2 June 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 Westerham
Other active plumbing and heating companies registered in Westerham.
- SPS Plumbing & Heating Ltd2025
- Surrey Plumbing Services Limited2010
- TP Plumbing & Heating Limited2001
- Ace (UK) Airconditioning Limited2004
- Agricultural & Plant Air Conditioning Ltd2006
- Albatross Heating Ltd2016
- Aw Plumbing Heating Ltd2026
- B Manning Heating & Plumbing Services Ltd2014
All plumbing and heating companies in Westerham · All trades in Westerham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sidcup Plumbing and Heating Ltd's accounts due?
Sidcup Plumbing and Heating Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Sidcup Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Sidcup Plumbing and Heating Ltd still trading?
Sidcup Plumbing and Heating 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 Sidcup Plumbing and Heating Ltd do?
Sidcup Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sidcup Plumbing and Heating Ltd?
Sidcup Plumbing and Heating Ltd was incorporated on 3 June 2020, 6 years ago.
What is the penalty if Sidcup Plumbing and 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 Sidcup Plumbing and Heating 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.