Granny flats Wicklow searches usually start with the same hope: a usable Teach Beag or granny flat without wasting months on the wrong supplier, the wrong size, or the wrong planning assumption.
For a Wicklow project, treat the first stage as a feasibility check rather than a shopping exercise. The best quote is only useful if it reflects the site, access, utilities, intended use, and any local authority questions.
First checks in Wicklow
| Check | Why it matters in Wicklow |
|---|---|
| Intended use | Family accommodation, work space, and rental use can create different planning, tax, and insurance questions. |
| Garden space | You need enough retained private garden space after the unit, paths, services, and any required separation. |
| Access | Site levels, side access, foundations, and utilities can change the total budget quickly. |
| Planning context | Sloped, scenic, and commuter-belt sites can need extra care on access, amenity, and local constraints. |
| Supplier coverage | Ask for Wicklow-specific delivery and installation assumptions, especially on sloped sites. |
Planning position
The Government announced proposed changes to planning exemptions on 21 April 2026, including changes that may affect small detached residential units and garden structures. That announcement is useful, but it is not a blank cheque for every Wicklow garden.
Before paying a deposit, ask:
- Is the proposed unit within the current size, use, and location limits?
- Does the property have enough retained private open space?
- Is there clear side or rear access for construction and later use?
- Are there local constraints around overlooking, drainage, parking, services, or protected structures?
- Does the intended use change the planning or tax risk?
If there is doubt, confirm with the local authority or get professional planning advice. This is especially important where a site is tight, sloped, coastal, rural, serviced by wastewater treatment, or close to neighbours.
Cost checks before comparing suppliers
Do not compare Wicklow suppliers on unit price alone. Ask each supplier to split:
- modular unit or shell price
- foundations and groundworks
- delivery, craneage, and access costs
- electricity, water, wastewater, and broadband connections
- insulation, heating, ventilation, and BER-related details
- certification, warranties, and aftercare
- VAT and any provisional sums
Use the Irish modular home costs guide and the granny flat Ireland guide before treating any quote as like-for-like.
Supplier shortlist for Wicklow
The right supplier depends on the job type. A garden office, family annex, 45sqm auxiliary dwelling, and full modular home are not the same purchase.
For Wicklow, ask suppliers:
- Have you completed similar projects in this county or region?
- Will you survey access before final pricing?
- What is excluded from the quote?
- Who handles planning drawings or compliance documents if needed?
- What happens if the local authority or site survey changes the specification?
You can start with the supplier comparison directory, then request a shortlist through the form below.
Rental and tax caution
If the project is being considered for rental income, do not assume tax relief applies. Current Revenue guidance says detached units do not currently qualify for Rent-a-Room relief. The Government has said tax treatment for auxiliary dwellings is a Budget/Finance Bill matter, so this site treats rental payback as illustrative and not tax advice.
Use the rental income guide for conservative payback checks and speak to a tax adviser before relying on projected income.
Next steps
- Compare all county guides if the property or family options span more than one location.
- Read the 45sqm planning exemption guide.
- Compare suppliers in the directory.
- Send a quote request with the county, access notes, budget, timeframe, and intended use.