Maven Design & Build
Permitted Development Experts
Book a 30‑min consult (£200)

Case studies

Real constraints and real outcomes. This is how projects actually get delivered.

Braintree: single-storey rear extension under PD

A rear extension delivered through PD checks and a clear evidence trail.

Brentwood: side extension that stayed within PD limits

How we delivered a side extension under permitted development with clear compliance evidence.

Chelmsford (Galleywood): 4 m high outbuilding on a private road

A 4 m high outbuilding delivered with PD height and boundary checks.

Chelmsford: loft dormer conversion with PD compliance

A rear dormer loft conversion delivered under PD with careful volume checks.

Chelmsford: single-storey rear extension delivered cleanly

A practical case study: constraints, decisions, and how we reduced PD risk.

Colchester: hip-to-gable loft conversion with PD checks

A hip-to-gable conversion completed under PD with volume control.

Essex: garden room built within PD outbuilding rules

A compliant garden office delivered under outbuilding PD limits.

Harrow: rear dormer with privacy-first detailing

A rear dormer designed to meet PD limits and reduce overlooking.

Ilford: garage conversion with PD checks

A garage conversion planned with PD rules and building control in mind.

Orpington: front porch within PD limits

A compact front porch designed to comply with PD size and height rules.

Orpington: garden house built under outbuilding PD rules

A garden house designed to stay within PD outbuilding limits.

Orpington: loft conversion with PD volume checks

A loft conversion delivered under PD with careful volume and roofline control.

Orpington: rear extension delivered via PD checks

A single-storey rear extension shaped to meet PD depth and height limits.

Romford: front porch with PD checks and tidy detailing

A small front porch delivered within PD thresholds and local constraints.

Southend: larger home extension via prior approval

A larger rear extension delivered using the prior approval route.

Walthamstow: rooflight loft conversion under PD

A low-impact loft conversion using rooflights within PD rules.