When clients buy a new‑build home, they usually assume the road outside will work like any other: maintained by the council, gritted in winter, potholes fixed, streetlights replaced.
But thousands of roads across England and Wales aren’t yet adopted, and that small detail can have a big impact on maintenance, access and future costs.
Here’s a quick, five-minute guide you can share with clients before surprises start popping up.
What does ‘Highways Adoption’ mean?
A road is adopted when the local authority agrees to maintain it at public expense under the Highways Act 1980. If it’s not adopted, responsibility usually sits with the developer or the homeowners who front onto it.
Local searches will flag whether a road is:
- Public highway maintained at public expense
- Private / unadopted road
- Prospectively maintainable (the developer intends adoption but it isn’t complete yet)
These distinctions matter because the ownership, upkeep, and rights of passage differ significantly across each category.
Why are many new‑build roads still unadopted?
Most developers build roads under a Section 38 Agreement, confirming the council will adopt the road once the works meet required standards. But delays happen, and until the agreement is fully executed, the road remains the developer’s responsibility.
Common reasons for delays include:
- Outstanding remedial works
- Incomplete lighting or drainage
- Slow sign‑off from the council
- Disputes over final surfacing
- Bonds or guarantees still being held
It’s not unusual for adoption to take several years after the homes are occupied.
What risks does an unadopted road create for a buyer?
1. Maintenance costs
If a road isn’t adopted, residents may be asked to contribute to repairs, resurfacing, or lighting. Local authority data helps clarify who is responsible for maintenance, and warns when homeowners may be on the hook.
2. Access rights uncertainty
Local searches will confirm whether the property actually abuts an adopted highway, or whether intervening land or unregistered verges could complicate access. Sometimes this requires follow‑up checks with the Highways Authority.
3. Lender concerns
Many lenders expect clear, permanent access to a public highway.
A private or unadopted road could trigger extra enquiries, delays or indemnity requirements.
4. Impact on resale
Buyers may hesitate if they discover long‑term adoption delays or private maintenance obligations.
Private doesn’t always mean privately maintained
A private road simply means it isn’t maintained by the local authority. It does not automatically mean residents must fix every pothole themselves. Depending on the development, maintenance may fall to:
- A management company (albeit with the bill footed by the residents)
- A developer
- A mix of residents and private contractors
- Occasionally, shared or historic maintenance arrangements
Ownership, access and maintenance are three separate things – and a private road only answers one of them.
Unadopted doesn’t mean “no access”
Buyers often worry that an unadopted road means they have no legal right to drive to their home. In reality, access is usually protected through:
- Express easements granted in the transfer deeds.
- Public rights of way (a road can be a public highway but remain unadopted and privately maintained).
- Restrictive or positive covenants in new-build documentation.
(Quick additional note: For older, established properties, access might also be gained through “implied rights through long use,” but new-build buyers rely entirely on what is written in the deeds). The only real issue is when these rights aren’t clearly documented, which is exactly what your searches and title review will pick up early.
How a Local Search helps
Your regulated local search such as OneSearch Prime highlights:
- Whether the road is adopted, private, or prospectively maintainable
- Who is responsible for maintenance
- Any associated Section 38 or Section 278 agreements
- Public rights of way running alongside the road
- Related traffic schemes or orders impacting access
This gives conveyancers the evidence they need to advise on risk, ask targeted questions, or, where necessary, recommend an indemnity.
What should buyers do if the road isn’t adopted?
Point them towards these simple steps:
- Ask for confirmation of any Section 38 Agreement – Has it been executed? How far through the process is it?
- Check who maintains the road today – Developer? Management company? Residents?
- Clarify costs – Are homeowners responsible for private upkeep or service charges?
- Consider future‑proofing – If adoption seems unlikely, an indemnity or management plan may be needed long‑term.
Highways adoption is one of those issues that only becomes a problem after clients move in, unless it’s picked up early through a regulated local search. Clear, early advice makes all the difference.
