- Companies
- Builders
- Saffron Walden
- Rockmount Group Limited
Rockmount Group Limited
- Company number
- 16107173
- Incorporated
- 28 Nov 20241 year trading
- Registered office
- Market House, 10 Market Walk, Saffron Walden, Essex, CB10 1JZ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other specialised construction activities n.e.c.
Rockmount Group Limited is a 1-year-old private limited company registered in Saffron Walden, company number 16107173, one of 48 building contractors in Saffron Walden. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Rockmount Group Limited is registered
The registered office is in Saffron Walden (CB10), in the Uttlesford local authority area, East of England. Show CB10 1JZ on a map.
Other trade companies in CB10
- 1841 Properties LimitedProperty developers
- Bovingdons Developments LtdProperty developers
- JDSW Construction Services LtdBuilders
- Foresite Fencing LtdInstallers
- Greenfield 1 LimitedProperty developers
- Greenfield 2 LimitedProperty developers
- Jet Developments Essex LimitedProperty developers
- CC Arch Scaffolding LtdScaffolders
Also registered at this address
17 other companies use the same registered office as Rockmount Group Limited.
- Alliance Intelligent Scaffolding LtdScaffolders
- Bowler DB Holdings LimitedProperty developers
- Bowler Holdings LimitedProperty developers
- Crocus Grounds Maintenance LimitedLandscapers and gardeners
- Follis Investments LimitedProperty developers
- Ford Homes LimitedProperty developers
- Garson's Group LimitedLandscapers and gardeners
- Greenfield 1 LimitedProperty developers
- Greenfield 2 LimitedProperty developers
- JMJ Construction LimitedProperty developers
- Metaplan LimitedProperty developers
- Plough Ridge LimitedProperty developers
- Robin Grayson LimitedGroundworks and demolition
- Rockmount Construction LtdProperty developers
- SB Civil Engineering LimitedCivil engineering
- SB Sheds & Fencing LimitedFinishing trades
- TQ500 LimitedMotor traders
What happens if Rockmount Group 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16107173
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2024 (1 year ago)
- Registered office
- Market House, 10 Market Walk, Saffron Walden, Essex, CB10 1JZ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 4 June 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 Saffron Walden
Other active building contractors registered in Saffron Walden.
- SRN Developments Limited2015
- T&S Shop Fitting Ltd2021
- Thaxted Builders Limited1965
- Tom Power Carpentry and Building Ltd2024
- Totem Construction Limited2018
- Town & Country Construction (UK) Limited2011
- Triform Properties Limited2011
- Tundra Developments Limited2025
All building contractors in Saffron Walden · All trades in Saffron Walden · Builders across the UK
Frequently asked questions
When are Rockmount Group Limited's accounts due?
Rockmount Group Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Rockmount Group Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Rockmount Group Limited still trading?
Rockmount Group 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 Rockmount Group Limited do?
Rockmount Group Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is Rockmount Group Limited?
Rockmount Group Limited was incorporated on 28 November 2024, 1 year ago.
What is the penalty if Rockmount Group 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 Rockmount Group 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.