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Barnet Council

Architectural technology in Barnet

Planning drawings, building regulations, loft conversions, house extensions and mansards — delivered across Barnet by MCIAT chartered technologists with deep knowledge of Barnet Council's policies.

Barnet at a glance

Planning authority
Barnet Council
Population
389,000
Conservation areas
20
Article 4 Direction
No borough-wide
Postcodes
N2, N3, N10, N11, N12, N14, N20, NW2, NW4, NW7, NW9, NW11, EN4, EN5
Typical housing
1930s semi-detached dominates
Planning drawings and blueprints on a studio desk — architectural drawings in Barnet
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MCIAT chartered drawings for planning, building regs, lofts and extensions — fixed fees 30% below typical London architects. Tell us what you need and we’ll reply the same working day.

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Services available in Barnet

Every architectural service in Barnet — one chartered team.

Planning Drawings in Barnet

A fixed-fee, end-to-end service — measured survey, scaled drawings, Design & Access Statement where required, Planning Portal submission, an...

Building Regulations Drawings in Barnet

A construction-ready drawing package compliant with every Approved Document — Part A structure, Part B fire, Part L thermal, Part M accessib...

Loft Conversions in Barnet

Every loft type across every Barnet roof line — dormer, mansard, hip-to-gable, L-shape, Velux. LDC or full planning route, building regu...

House Extensions in Barnet

The whole spectrum — rear extensions, side returns, wraparounds, double-storey, basement digs. Planning-led design with detailed technical p...

Mansard Roof Extensions in Barnet

Barnet's most space-efficient loft solution when PD-route dormers are blocked. Our chartered team designs mansards that get approved in ...

Garage Conversions in Barnet

Turn your unused Barnet garage into a bedroom, home office or open-plan kitchen-diner. Planning route assessment, full building regulati...

Basement Conversions in Barnet

Full architectural technology service for basement digs and cellar conversions in Barnet — structural underpinning design, waterproofing...

Structural Calculations in Barnet

Chartered structural engineer calculations for every residential intervention in Barnet — steel beams, lintels, pad foundations, wall re...

Measured Building Surveys in Barnet

Fixed-fee measured surveys across Barnet from £540 — floor plans, elevations and sections to ±3mm accuracy. Leica Disto laser + BLK360 p...

Party Wall Services in Barnet

End-to-end Party Wall Act 1996 service for Barnet — Section 1, 3 and 6 notices, schedule of condition surveys, party wall award coordina...

Rear Dormer Loft Conversions in Barnet

London's most popular loft type — the full-width rear dormer. Planning or Permitted Development route assessed for your Barnet property,...

Barnet planning context

Planning in Barnet

Housing stock: 1930s semi-detached dominates; Edwardian villas in Muswell Hill, Finchley; Garden Suburb Arts & Crafts in Hampstead Garden Suburb; post-war flats in Colindale.

Character: Suburban outer-London borough; permitted development used heavily; Hampstead Garden Suburb has its own residents' trust with additional design controls.

Notable conservation areas: Hampstead Garden Suburb, Mill Hill, Hendon, Golders Green, Monken Hadley

Nearby boroughs

Boroughs adjacent to Barnet

1930s semi-detached houses in Finchley N3
MCIAT Chartered council-ready drawing review Fixed fees from £840 All 33 London boroughs
All services in Barnet

What we do in Barnet

Planning Drawings in Barnet

A fixed-fee, end-to-end service — measured survey, scaled drawings, Design & Access Statement where required, Planning Portal submission, an...

Building Regulations Drawings in Barnet

A construction-ready drawing package compliant with every Approved Document — Part A structure, Part B fire, Part L thermal, Part M accessib...

Loft Conversions in Barnet

Every loft type across every Barnet roof line — dormer, mansard, hip-to-gable, L-shape, Velux. LDC or full planning route, building regu...

House Extensions in Barnet

The whole spectrum — rear extensions, side returns, wraparounds, double-storey, basement digs. Planning-led design with detailed technical p...

Mansard Roof Extensions in Barnet

Barnet's most space-efficient loft solution when PD-route dormers are blocked. Our chartered team designs mansards that get approved in ...

Garage Conversions in Barnet

Turn your unused Barnet garage into a bedroom, home office or open-plan kitchen-diner. Planning route assessment, full building regulati...

Basement Conversions in Barnet

Full architectural technology service for basement digs and cellar conversions in Barnet — structural underpinning design, waterproofing...

Structural Calculations in Barnet

Chartered structural engineer calculations for every residential intervention in Barnet — steel beams, lintels, pad foundations, wall re...

Measured Building Surveys in Barnet

Fixed-fee measured surveys across Barnet from £540 — floor plans, elevations and sections to ±3mm accuracy. Leica Disto laser + BLK360 p...

Party Wall Services in Barnet

End-to-end Party Wall Act 1996 service for Barnet — Section 1, 3 and 6 notices, schedule of condition surveys, party wall award coordina...

Rear Dormer Loft Conversions in Barnet

London's most popular loft type — the full-width rear dormer. Planning or Permitted Development route assessed for your Barnet property,...

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Leave your number and an Architectural technologist covering Barnet will call you back within 30 minutes during working hours.

Which Barnet postcodes does this drawing package service cover?

Every Barnet postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. Barnet fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
NW4Hendon1930s semi-detached, post-war flatsNW4 covers Hendon only; Barnet Council handles the drawing package, and Hendon case officers apply the NW4 conservation-area map.
NW7Mill HillGeorgian villas, 1930s detached and semi-detachedA drawing package at an NW7 address in Mill Hill is determined by Barnet Council under its own Local Plan policies for Mill Hill.
NW9Colindale / KingsburyPost-war flats, new-buildColindale / Kingsbury is split at NW9. Either Barnet Council or Brent Council can determine a drawing package here, so the NW9 address is checked against both policies maps first.
NW11Golders Green / Hampstead Garden SuburbArts & Crafts houses, Edwardian villasA drawing package at an NW11 address in Golders Green / Hampstead Garden Suburb is determined by Barnet Council under its own Local Plan policies for Golders Green / Hampstead Garden Suburb.
EN4East Barnet / Cockfosters1930s semi-detached dominates; Edwardian villas in Muswell HillEN4 straddles a boundary: East Barnet / Cockfosters addresses fall to Barnet Council or Enfield Council, so confirm which authority validates the drawing package before submitting EN4 drawings.
EN5Barnet / ArkleyGeorgian fragments, 1930s semi-detachedEN5 covers Barnet / Arkley only; Barnet Council handles the drawing package, and Barnet / Arkley case officers apply the EN5 conservation-area map.
HA8Edgware / Burnt Oak1930s semi-detached, post-war flatsEdgware / Burnt Oak sits wholly inside HA8, so Barnet Council validates every drawing package submitted from an HA8 address.
N10Muswell HillEdwardian villas, 1930s semi-detachedMuswell Hill is split at N10. Either Haringey Council or Barnet Council can determine a drawing package here, so the N10 address is checked against both policies maps first.

What changes about a drawing package in each part of Barnet?

Roof pitch, wall build-up and plot depth change every few Barnet streets, and each one changes what a drawing package can achieve at that address.

How do conservation areas and Article 4 affect a drawing package in Barnet?

Barnet conservation designations: there are 20 across Barnet Council, Hampstead Garden Suburb, Mill Hill, Hendon among them. Designation costs a Barnet owner the permitted-development route: a drawing package then needs a £258 householder application over 8 weeks, in place of the £120 prior approval route that takes 6 weeks. Hampstead Garden Suburb is the Barnet designation that most often changes a drawing package design.

Article 4 and your Barnet drawing package: Barnet Council has made no borough-wide direction, so permitted development for a drawing package in Barnet generally survives outside Barnet conservation areas and listed curtilages. A Lawful Development Certificate at £129 is how a N2 owner records that a drawing package was lawful.

Barnet housing stock: 1930s semi-detached dominates; Edwardian villas in Muswell Hill, Finchley; Garden Suburb Arts & Crafts in Hampstead Garden Suburb; post-war flats in Colindale. Suburban outer-London borough; permitted development used heavily; Hampstead Garden Suburb has its own residents' trust with additional design controls. Read that before choosing a drawing package route in Barnet — construction, not postcode, sets what is achievable. Architectural drawings in Barnet start at £840 on a fixed fee, or £1,750 for the Complete package covering both Barnet Council submissions.

Who decides a drawing package on the edge of Barnet?

Sources for this Barnet drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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Neighbourhoods we cover in Barnet

11 Barnet neighbourhoods

We've delivered architectural drawings across every part of Barnet. Each neighbourhood has its own conservation context and dominant housing stock — click through for area-specific guidance.

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