Airspace Surveyor in Witham

An airspace development adds new homes by building on top of an existing roof. In Witham, the work mostly involves upward extensions on detached and semi-detached homes, with a smaller volume of rooftop schemes on the older flats near the High Street. Our work covers the existing residents below the development, the schedules of condition that record each flat before construction starts, and the day-to-day liaison through the build.

Adding a Storey to Witham Buildings

Witham sits between Chelmsford and Colchester on the A12 corridor, with a residential stock that runs from Victorian and Edwardian terraces around the town centre through to post-war housing and newer estates further out. Bungalow-to-two-storey conversions and side-and-up extensions on semis are the most common airspace projects in the town, with a smaller volume of rooftop work on the older 1960s flats near the High Street and the railway station. Our Essex team covers Witham alongside Braintree, Hatfield Peverel, and the wider Braintree District.

The practice is RICS regulated and our surveyors carry over 30 years of combined residential extension and rooftop experience. Rights of light assessments often accompany schemes that add height in the older parts of town where buildings sit close together.

Airspace Developments

As well as providing daylight, sunlight and rights of light advice, our role would be to make contact with the occupants of the existing building to establish any concerns regarding the development. We will work closely with the professional team to identify the initial questions and look at how these can be addressed.

It is our experience that maintaining the same point of contact for the duration of the project offers the existing occupants’ reassurance and continuity.

Services Provided

  • Make initial contact with existing occupants.

  • Attend meetings to discuss any concerns of the existing occupants.

  • Recording Schedules of Condition of the flats below the proposed units.

  • Act as a liaison between the developer and occupants throughout the project.

  • Assist in resolving any issues that may arise such as car parking, site setup etc.

How do we deliver airspace projects in Witham?

For a homeowner raising a bungalow or adding a storey to a semi in Witham, the work centres on the Party Wall etc. Act 1996, rights of light risk on adjoining properties, and protection of the existing structure during construction. Notices are served on every adjoining owner where a party wall is shared before work can begin.

Where a developer is adding flats above an existing residential block, the role widens to full occupant liaison. We make initial contact with each leaseholder, hold attended meetings to discuss concerns, prepare Schedules of Condition for the flats directly below the new units, and act as the named point of contact through construction. Practical issues, scaffolding, deliveries, parking, access, get resolved as they arise. The free initial assessment covers feasibility and the supporting workstreams.

Airspace work in Witham typically sits alongside daylight and sunlight, rights of light, and party wall workstreams on the same scheme. The same surveyor stays on the project from instruction to completion, and calls are answered by a qualified surveyor rather than a call centre.

Over the past four years, CHP have worked very successfully with us in their capacity as party wall surveyors. Through his calm, sensible approach and excellent communication skills James Crowley, in particular, gained the trust and confidence of the entire team and stakeholders. Looking forward to working with CHP again.”

- Clare Goggin, Jackson Coles

How do you reduce risk on a Witham airspace scheme?

Two main risks shape an airspace project: damage to the building or flats below during construction, and disputes with existing occupants or adjoining owners. A thorough Schedule of Condition removes the first by documenting the building's state before work begins. Structured occupant liaison and a named point of contact reduces the second.

Planning sits with Braintree District Council, and the route depends on house type, height, and surrounding context. Some upward extensions in Witham fall within permitted development with prior approval; larger schemes need a full application. Rights of light is a separate common law matter from planning, and party wall services usually run alongside the airspace work itself. A free initial assessment covers the likely route for a given site.

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Head Office
2-6 Boundary Row
London, SE1 8HP

Essex Office
2-6 Boundary Row
London, SE1 8HP


020 3714 4090

Get in touch.

Head Office
2-6 Boundary Row
London, SE1 8HP

Essex Office
2nd Floor, 10 High Street
Wickford, Essex
SS12 9AZ


020 3714 4090
enquiries@chpsurveyors.com