- Companies
- Builders
- Middlesbrough
- Dolmen Development UK Ltd
Dolmen Development UK Ltd
- Company number
- 12482545
- Incorporated
- 25 Feb 20206 years trading
- Registered office
- Floor 1, 65 Albert Road, Middlesbrough, North Yorkshire, TS1 1NG
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Dolmen Development UK Ltd is a 6-year-old private limited company registered in Middlesbrough, company number 12482545, one of 163 building contractors in Middlesbrough. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
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 Dolmen Development UK 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 £50K (+64.5%) on the year before, to £127K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £357K against £264K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £127K | £1,228 | £357K | £264K | 2 |
| 29 Feb 2024 | £78K | £103K | £87K | £46K | 2 |
| 28 Feb 2024 | £78K | £103K | £87K | £46K | 2 |
| 28 Feb 2023 | £26K | £59K | £73K | £48K | 2 |
| 28 Feb 2022 | -£2,970 | £60 | £351 | 1 | |
| 28 Feb 2021 | £1 | £1 |
Where Dolmen Development UK Ltd is registered
The registered office is in Middlesbrough (TS1), in the Middlesbrough local authority area, North East. Show TS1 1NG on a map.
Other trade companies in TS1
- Maawa & Marwa LtdMechanics and garages
- Omnipest LtdCleaning companies
- Quality Auto Teeside LtdMotor traders
- Wemma-Rigging LtdBuilders
- Diamondshield LtdCleaning companies
- Northdrive Auto LtdMotor traders
- Kir LtdBuilders
- Open Bridge Enterprises LtdMotor traders
What happens if Dolmen Development UK 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 12482545
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2020 (6 years ago)
- Registered office
- Floor 1, 65 Albert Road, Middlesbrough, North Yorkshire, TS1 1NG
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 8 December 2025
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 Middlesbrough
Other active building contractors registered in Middlesbrough.
- Dromonby Developments Ltd2014
- Edwards Building & Joinery Services Limited2018
- Elias Contest Limited2022
- Elite Windows & Doors Ne Ltd2025
- Endeavour Home Improvements and Insulation Specialists Ltd2026
- Esvu Constructions Ltd2025
- FBW Developments Ltd2026
- Gafstar Construction and Groundworks Limited2025
All building contractors in Middlesbrough · All trades in Middlesbrough · Builders across the UK
Frequently asked questions
When are Dolmen Development UK Ltd's accounts due?
Dolmen Development UK Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Dolmen Development UK Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Dolmen Development UK Ltd still trading?
Dolmen Development UK 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 Dolmen Development UK Ltd do?
Dolmen Development UK Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Dolmen Development UK Ltd?
Dolmen Development UK Ltd was incorporated on 25 February 2020, 6 years ago.
What is the penalty if Dolmen Development UK 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 Dolmen Development UK 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.