- Company number
- 14903859
- Incorporated
- 30 May 20233 years trading
- Registered office
- Unit 6-8 Liongate Enterprise Park, Morden, Mitcham, Surrey, CR4 4NY
- Nature of business
- Construction of domestic buildings
Dolphin Building Solutions Limited is a 3-year-old private limited company registered in Mitcham, company number 14903859, one of 205 building contractors in Mitcham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £12K (+199.1%) on the year before, to £18K.
- Current assets of £62K against £46K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £18K | £34K | £62K | £46K | 2 |
| 31 May 2024 | £5,888 | £27K | £21K | 2 |
Where Dolphin Building Solutions Limited is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 4NY on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
Also registered at this address
1 other company uses the same registered office as Dolphin Building Solutions Limited.
- Crystal Clover LtdBuilders
What happens if Dolphin Building Solutions 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14903859
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 May 2023 (3 years ago)
- Registered office
- Unit 6-8 Liongate Enterprise Park, Morden, Mitcham, Surrey, CR4 4NY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 18 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Mitcham
Other active building contractors registered in Mitcham.
- DRD Construction Limited2021
- Dyno Dco Ltd2020
- E & G Eagle Construction Limited2024
- Ek Electrical Engineering Limited2016
- Electro Expert Ltd2022
- Elite Craft Builders Ltd2025
- Elm & Stone Construction Ltd2026
- Elmbridge Constructions Limited2025
All building contractors in Mitcham · All trades in Mitcham · Builders across the UK
Frequently asked questions
When are Dolphin Building Solutions Limited's accounts due?
Dolphin Building Solutions Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Dolphin Building Solutions Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Dolphin Building Solutions Limited still trading?
Dolphin Building Solutions 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 Dolphin Building Solutions Limited do?
Dolphin Building Solutions Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Dolphin Building Solutions Limited?
Dolphin Building Solutions Limited was incorporated on 30 May 2023, 3 years ago.
What is the penalty if Dolphin Building Solutions 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 Dolphin Building Solutions 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.