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Two storey extension plans in Bardwell — a two-storey rear addition to a family house
Bardwell · Two Storey Extension Drawings

Two storey extension plans in Bardwell

Two-storey extension drawings for Bardwell homes — bedroom above, living space below, drawn against the 3-metre projection and 7-metre boundary rules and to West Suffolk Council's design guidance, delivered in days and revised free until your decision.

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Bardwell planning decisions and design rules

West Suffolk Council granted 95% of the householder planning decisions it made in its latest published year — 8 points above the 87% England-wide householder average. Bardwell contains Bardwell, Barnham, Euston conservation areas (Bardwell designated 2000), so materials, fenestration and roof form are assessed against the appraisal, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901) and postwar (1945–1970) housing stock sets the design brief on most streets.

Before permission is required, Class B allows 40m³ of added loft volume on a terrace and 50m³ on a semi or detached house, and Class A allows a 3m single-storey rear extension on a terrace or 4m on a detached house. In conservation areas such as Bardwell, Barnham and Euston those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Bardwell is determined against an 8-week statutory target.

Bardwell (conservation area designated in 2000), Barnham (conservation area designated in 1973), Euston (conservation area designated in 1973), Fakenham Magna (conservation area designated in 1973), Honington (conservation area designated in 2004), Barnham (civil parish within Bardwell), Coney Weston (civil parish within Bardwell), Euston (civil parish within Bardwell), Fakenham Magna (civil parish within Bardwell), Honington (civil parish within Bardwell) and Sapiston (civil parish within Bardwell) — these are the Bardwell pockets our drawings cover most. Heritage designations here include Bardwell, Barnham, Euston, Fakenham Magna and Honington. West Suffolk Council weighs each proposal against West Suffolk Council's development plan and the design policies it applies to householder applications, where the 1,160 homes here are 31% pre-1900, 12% 1955-1964, 12% 1965-1972, which is what sets the realistic roof and rear-projection options. On roofs the borough is steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow gabled roofs typical of that period's building, over Victorian and earlier houses (31% of 1,160 homes), late-1950s and early-1960s houses (12%) and late-1960s and early-1970s houses (12%).

Why a Bardwell scheme is judged on Bardwell terms

What is permitted in Bardwell turns on designation first, so that is where we start: Bardwell (conservation area designated in 2000), Barnham (conservation area designated in 1973), Euston (conservation area designated in 1973), Fakenham Magna (conservation area designated in 1973) and Honington (conservation area designated in 2004). Inside those boundaries permitted development is curtailed and West Suffolk Council assesses materials, window detail and roof form against the area's own appraisal, so a scheme that would be waved through two streets away can need a full application here.

Beyond the designated areas, Bardwell takes in Barnham, Coney Weston, Euston, Fakenham Magna, Honington and Sapiston. No Article 4 direction is recorded for West Suffolk Council, but Bardwell's 5 conservation areas still limit permitted development on those streets.

On stock, Bardwell is Victorian and earlier houses (31% of 1,160 homes), late-1950s and early-1960s houses (12%) and late-1960s and early-1970s houses (12%) — which is why steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. West Suffolk Council decided 489 householder applications in the latest published year and granted 95%, with 56% issued inside the eight-week target. We draw to that record rather than to a national average.

The full build-period split for Bardwell runs pre-1900 31% (360 homes), 1900-1918 1% (10 homes), 1919-1929 2% (20 homes), 1930-1939 4% (50 homes), 1945-1954 7% (80 homes), 1955-1964 12% (140 homes), 1965-1972 12% (140 homes), 1973-1982 10% (120 homes), 1983-1992 5% (60 homes), 1993-1999 3% (40 homes) and 2000-2008 4% (50 homes). That distribution is why pre-1900 detailing dominates the drawings here, and it is measured from council-tax records rather than assumed from the street name.

West Suffolk Council also decides for Abbeygate, Barningham, Brandon East, Chedburgh & Chevington, Haverhill Central, Horringer, Ixworth and Kentford & Moulton, so a decision in Bardwell sits inside a wider pattern of decisions we track across the same authority — useful when an officer cites a precedent from the next area over.

Bardwell by the published data

Published figures for Bardwell and West Suffolk Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureBardwell
Dwellings recorded1,160
Built pre-1900360 (31%)
Built 1900-191810 (1%)
Built 1919-192920 (2%)
Built 1930-193950 (4%)
Built 1945-195480 (7%)
Built 1955-1964140 (12%)
Built 1965-1972140 (12%)
Built 1973-1982120 (10%)
Built 1983-199260 (5%)
Built 1993-199940 (3%)
Built 2000-200850 (4%)
Built before 191932%
Built 1919–19396%
Built 1945–200854%
Conservation areas in Bardwell5 (Bardwell, Barnham…)
Conservation areas district-wide48
Article 4 directions recorded0
Householder applications decided489
Householder applications granted95%
Decided within 8 weeks56%

Dwelling stock from VOA council-tax data at 31 March 2025; conservation-area and Article 4 counts from planning.data.gov.uk (MHCLG); decision figures are West Suffolk Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

The three tests a Bardwell two-storey extension has to pass

Adding at first floor changes the question the case officer asks. A single-storey extension is judged mostly on daylight and garden loss; a two-storey extension is judged on overlooking, bulk against the neighbouring roofline, and whether it reads as part of the house or bolted onto it. Bardwell is largely Victorian and earlier houses (31% of 1,160 homes), late-1950s and early-1960s houses (12%) and late-1960s and early-1970s houses (12%), and steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow gabled roofs typical of that period's building set what a matching roof actually means here.

The permitted-development route exists but is narrow: 3 metres of rear projection, a 7-metre stand-off from the rear boundary, eaves and ridge no higher than the original, and side-facing upper windows obscure-glazed and non-opening below 1.7 metres above floor level. Most two-storey schemes fail one of those, usually the 7-metre boundary rule on a shorter garden, and go in as a full application instead. We establish which route applies before designing, because it changes the drawing set.

Bardwell contains Bardwell, Barnham, Euston conservation areas (Bardwell designated 2000), so materials, fenestration and roof form are assessed against the appraisal. No Article 4 direction is recorded for West Suffolk Council, but Bardwell's 5 conservation areas still limit permitted development on those streets.

Isometric two storey extension drawing for a Bardwell house

Does a two storey extension need planning permission in Bardwell?

Some two-storey rear extensions are permitted development. You will need a full application to West Suffolk Council if any of these apply:

  • The extension projects more than 3 metres beyond the original rear wall
  • Any part comes within 7 metres of the rear boundary
  • The eaves or ridge would sit higher than the existing house
  • The extension is to the side, or wraps around to the side at first floor
  • Upper-floor side windows are clear-glazed or open below 1.7 metres
  • The property is on designated land such as Bardwell and Barnham, where two-storey rights are removed

Bardwell two-storey extension approval rates — live council data

Below is West Suffolk Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. West Suffolk Council granted 95% of its householder applications in the year to 31 March 2026, and Bardwell shapes what is approved here. Two-storey schemes attract more neighbour comment than any other householder work, so the overlooking and daylight case has to be made on the drawings.

Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.

95%householder applications approved in West Suffolk
87%national average — West Suffolk is 8 points above the national average

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What two-storey extensions get approved in Bardwell

Across Bardwell, Barnham and Euston, the schemes that succeed set the first floor back from the ground floor, keep the ridge below the original, and treat the flank wall as blank or obscure-glazed. On victorian and earlier houses (31% of 1,160 homes), matching the eaves line matters more than matching the brick: an extension that carries the existing eaves through reads as original even in a different material.

The 1,160 homes here are 31% pre-1900, 12% 1955-1964, 12% 1965-1972, which is what sets the realistic roof and rear-projection options. We draw the 45-degree daylight test from the neighbour's nearest habitable window, show the window positions in section, and set out the steel and foundation implications early — a two-storey extension changes the load path, so the structural design and the planning design have to be developed together rather than in sequence.

Ground floor created by a two storey extension in Bardwell

Two-storey extensions across Bardwell

We draw two-storey extensions across Bardwell. A few of the areas where they come up most often:

Bardwell

Two storey extension drawings for Bardwell — conservation area designated in 2000 — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Barnham

Two storey extension drawings for Barnham — conservation area designated in 1973 — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Euston

Two storey extension drawings for Euston — conservation area designated in 1973 — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Fakenham Magna

Two storey extension drawings for Fakenham Magna — conservation area designated in 1973 — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Honington

Two storey extension drawings for Honington — conservation area designated in 2004 — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Barnham

Two storey extension drawings for Barnham — civil parish within Bardwell — dimensioned against the 3m and 7m limits and drawn to West Suffolk Council's guidance.

Which two-storey extensions are permitted development in Bardwell?

The first-floor limits are tighter than the ground-floor ones. This is how the common cases compare.

SchemePermitted development?Deciding limitWhat West Suffolk Council checks
Two-storey rear, 3m projection, 7m+ to boundaryOften yes3m projection / 7m boundaryRoof match, side-window glazing
Two-storey rear, under 7m to boundaryNo — full applicationRear-boundary distanceOverlooking, daylight, garden loss
Two-storey side extensionNo — full applicationSide elevationGap to boundary, street rhythm
Two-storey wraparoundNo — full applicationCombined footprintBulk, massing, neighbour amenity
Any two-storey on designated landNo — full applicationDesignationCharacter and appearance

Limits from the GPDO 2015, Schedule 2, Part 1, Class A — two-storey rear extension conditions.

Four steps to an approved Bardwell two-storey extension

A fixed process built around how West Suffolk Council validates and decides two-storey applications.

  1. 1

    Free approval check

    Send us your Bardwell postcode and garden depth. We measure the 7-metre boundary rule against your plot, confirm designation status, and score your odds against live West Suffolk Council decisions.

  2. 2

    Measured survey

    We measure the original rear wall, eaves and ridge heights, garden depth and every neighbouring window that faces the site — the inputs the daylight and overlooking case is built from.

  3. 3

    Design, drawings & structure

    Chartered designers develop the two-storey addition to your brief with the roof and eaves resolved, and we coordinate the load path so the structural scheme and the planning scheme are the same building.

  4. 4

    Submission & follow-through

    We submit the application, manage validation and case-officer queries, and revise the drawings free until West Suffolk Council issues its decision.

Frequently asked questions

Do I need planning permission for a two storey extension in Bardwell?

Often, but not always. A two-storey rear extension can be permitted development if it projects no more than 3 metres, sits at least 7 metres from the rear boundary, does not exceed the existing eaves and ridge, and has obscure-glazed non-opening side windows below 1.7 metres. In Bardwell, the 7-metre rule is what most commonly forces a full application to West Suffolk Council.

What is the 7 metre rule for two storey extensions in Bardwell?

No part of a permitted-development two-storey rear extension may come within 7 metres of the boundary opposite the rear wall of the house. It exists to protect the neighbour behind you from being overlooked at first floor. On shorter Bardwell gardens this is decisive, and we measure it on survey before any design work rather than discovering it at validation. West Suffolk Council is the decision-maker.

Can I build a two storey side extension in Bardwell?

Not under permitted development — two-storey side extensions always need a full application to West Suffolk Council. They are assessed on the gap to the boundary, whether the street's rhythm of spaces between houses survives, and whether the extension is subordinate to the original. Setting the first floor back from the front building line and down from the ridge is what usually makes the difference. This applies to your Bardwell address specifically.

Will a two storey extension in Bardwell be refused for overlooking?

Overlooking is the most common objection, and it is answerable on the drawings. We position habitable-room windows away from neighbouring gardens, obscure-glaze and fix shut anything on the flank below 1.7 metres, and show the sight lines in section. Where the geometry is tight, a rooflight or a high-level window gives the same daylight without the mutual overlooking that draws objections. This applies to your Bardwell address specifically. West Suffolk Council is the decision-maker.

Do I need a party wall agreement for a two storey extension in Bardwell?

Almost certainly. Excavating within 3 metres of a neighbouring structure and building on or up to the boundary both trigger the Party Wall etc. Act 1996, and a two-storey extension usually does both. It is entirely separate from West Suffolk Council's planning decision, so we flag the notice period early and detail the junction on the drawings. This applies to your Bardwell address specifically.

Does a two storey extension need structural calculations in Bardwell?

Yes. Adding a floor changes the load path from roof to foundation, so beams, padstones and foundation depths all need designing and calculating for building control. Planning and building regulations are separate consents, and the structural set is what building control assesses — we prepare both so the approved scheme is the buildable one. This applies to your Bardwell address specifically. West Suffolk Council is the decision-maker.

How much do two storey extension plans in Bardwell cost?

We quote each Bardwell two-storey extension individually, because plot depth, roof form and structural complexity vary house to house, and send a fixed, no-obligation quote within one working day. It covers the drawing pack with free revisions until West Suffolk Council approves. Call 020 7864 7245 to start.

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