- Companies
- Plumbers and heating engineers
- Sturminster Newton
- Deane Knight Plumbing and Heating Limited
Deane Knight Plumbing and Heating Limited
- Company number
- 07343608
- Incorporated
- 12 Aug 201016 years trading
- Registered office
- 2ND Floor Market Square House, Station Road, Sturminster Newton, Dorset, DT10 1FG
- Nature of business
- Plumbing, heat and air-conditioning installation
Deane Knight Plumbing and Heating Limited is a 16-year-old private limited company registered in Sturminster Newton, company number 07343608, one of 8 plumbing and heating companies in Sturminster Newton. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £423 (+12.7%) on the year before, to £3,757.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £15K against £25K owed within a year: 0.6 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £3,757 | £15K | £25K | 1 | |
| 30 Apr 2024 | £3,334 | £9,324 | £18K | 1 | |
| 30 Apr 2023 | £9,583 | £20K | £23K | 1 | |
| 30 Apr 2022 | £14K | £22K | £18K | 1 | |
| 30 Apr 2021 | £30K | £43K | £22K | 2 | |
| 30 Apr 2020 | £14K | £22K | £18K | 2 | |
| 30 Apr 2019 | £4,708 | £16K | £18K | ||
| 30 Apr 2018 | £2,663 | £5,349 | £22K | £27K | 2 |
| 30 Apr 2017 | £1,388 | £12K | £20K | £25K | 2 |
| 30 Apr 2016 | £994 | £13K | £22K | £27K |
Where Deane Knight Plumbing and Heating Limited is registered
The registered office is in Sturminster Newton (DT10), in the Dorset local authority area, South West. Show DT10 1FG on a map.
Other trade companies in DT10
- M.F.R Building & Groundworks LtdProperty developers
- Atlantic Air Conditioning LtdPlumbers and heating engineers
- Adem Hand Car Wash LimitedCleaning companies
- CGP Mechanical and Electrical LtdElectricians
- S.E Commercial Cleaning LtdCleaning companies
- Dorset Automotive LtdMechanics and garages
- Ferrari Groundworks LimitedBuilders
- Zeo Hub LtdProperty developers
Also registered at this address
17 other companies use the same registered office as Deane Knight Plumbing and Heating Limited.
- A J N Electrical (Dorset) LimitedElectricians
- A M Donnelly Electrical Contractor LimitedElectricians
- Architectural Plaster Mouldings LimitedSpecialist contractors
- Att Builders LimitedBuilders
- Barry Jex LimitedPainters and decorators
- Bob Jones Heating Engineer LimitedPlumbers and heating engineers
- Cook's Garage LimitedMechanics and garages
- Ferrari Groundworks LimitedBuilders
- J M Dairy Services LimitedSpecialist contractors
- Jex Bros. LimitedPainters and decorators
- Jobcrest LimitedRoofers
- JT Construction Services LimitedBuilders
- MJC Plant Inspection LimitedMachinery repair and installation
- R P Smith Roofing LimitedRoofers
- ST Electrical and Renewable Energy LtdElectricians
- The Building Company (Wessex) LimitedInstallers
- Timepiece Restoration LimitedRepair services
What happens if Deane Knight 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 07343608
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2010 (16 years ago)
- Registered office
- 2ND Floor Market Square House, Station Road, Sturminster Newton, Dorset, DT10 1FG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 4 October 2025
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 Sturminster Newton
Other active plumbing and heating companies registered in Sturminster Newton.
- Solid Fuel Installations Limited2013
- Stockley & Son Plumbers Limited2003
- Ambient Temperature Gas Ltd2014
- Atlantic Air Conditioning Ltd2026
- Bob Jones Heating Engineer Limited2002
- Chester Howlett Bathrooms Ltd2024
- Complete Gas & Plumbing Services Ltd2015
All plumbing and heating companies in Sturminster Newton · All trades in Sturminster Newton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Deane Knight Plumbing and Heating Limited's accounts due?
Deane Knight Plumbing and Heating Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Deane Knight Plumbing and Heating Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Deane Knight Plumbing and Heating Limited still trading?
Deane Knight 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 Deane Knight Plumbing and Heating Limited do?
Deane Knight Plumbing and Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Deane Knight Plumbing and Heating Limited?
Deane Knight Plumbing and Heating Limited was incorporated on 12 August 2010, 16 years ago.
What is the penalty if Deane Knight 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 Deane Knight 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.