- Companies
- Plumbers and heating engineers
- Dorking
- Dna Plumbing and Heating Ltd
Dna Plumbing and Heating Ltd
- Company number
- 13031555
- Incorporated
- 19 Nov 20205 years trading
- Registered office
- Office 3, Downs Meadow Stables, Ranmore Road, Dorking, Surrey, RH4 1HW
- Nature of business
- Plumbing, heat and air-conditioning installation
Dna Plumbing and Heating Ltd is a 5-year-old private limited company registered in Dorking, company number 13031555, one of 19 plumbing and heating companies in Dorking. Its next accounts are due at Companies House on 25 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Dna Plumbing and Heating LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,537 (+14.8%) on the year before, to £12K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £16K against £12K owed within a year: 1.3 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £12K | £1,766 | £16K | £12K | 2 |
| 30 Nov 2023 | £10K | £8 | £8,776 | £9,064 | 1 |
| 30 Nov 2022 | £3,370 | £2,436 | £9,628 | £18K | 1 |
| 30 Nov 2021 | £2,557 | £3,346 | £4,346 | £2,465 | 1 |
Where Dna Plumbing and Heating Ltd is registered
The registered office is in Dorking (RH4), in the Mole Valley local authority area, South East. Show RH4 1HW on a map.
Other trade companies in RH4
- Everpristine LtdCleaning companies
- Artificium Electrics LimitedElectricians
- R&F Roofing LtdRoofers
- Skyz Cleaning Services LtdCleaning companies
- Surrey Chills Air Conditioning LtdPlumbers and heating engineers
- Pro Property Services LtdBuilders
- Ajss Services LtdBuilders
- DP Civil Engineering LtdBuilders
Shared registered office
27 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Dna 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 25 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Nov 2026 to 25 Dec 2026 | £150 |
| 1 to 3 months late | 26 Dec 2026 to 25 Feb 2027 | £375 |
| 3 to 6 months late | 26 Feb 2027 to 25 May 2027 | £750 |
| More than 6 months late | From 26 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 26 Feb 2027 | £200 |
| 3 months late | 25 May 2027 | another £200 |
| 6 months late | 25 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 25 Feb 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
- 13031555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 November 2020 (5 years ago)
- Registered office
- Office 3, Downs Meadow Stables, Ranmore Road, Dorking, Surrey, RH4 1HW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 18 November 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 Dorking
Other active plumbing and heating companies registered in Dorking.
- External Moling Services Ltd2022
- Full Spec Construction Ltd2013
- Heat2Plumb Ltd2023
- Jyo Ltd2021
- Ki' Plumbing & Heating Ltd2014
- Mal Biomass Ltd2025
- MJ Heating & Electrical Limited2016
- Nichols Plumbing & Heating Limited2023
All plumbing and heating companies in Dorking · All trades in Dorking · Plumbers and heating engineers across the UK
Frequently asked questions
When are Dna Plumbing and Heating Ltd's accounts due?
Dna Plumbing and Heating Ltd's next accounts are due at Companies House by 25 November 2026 (in 43 days), covering the period to 25 February 2026.
When is Dna Plumbing and 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 November 2025, due by 30 November 2026, and one for the period to 25 February 2026, due by 25 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dna Plumbing and Heating Ltd still trading?
Dna 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 Dna Plumbing and Heating Ltd do?
Dna Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dna Plumbing and Heating Ltd?
Dna Plumbing and Heating Ltd was incorporated on 19 November 2020, 5 years ago.
What is the penalty if Dna 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 Dna 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.